숫자 19728380
소인수분해
| 소인수분해 | 2 * 2 * 5 * 7 * 7 * 41 * 491 |
| 약수 | 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 491, 574, 820, 980, 982, 1148, 1435, 1964, 2009, 2455, 2870, 3437, 4018, 4910, 5740, 6874, 8036, 9820, 10045, 13748, 17185, 20090, 20131, 24059, 34370, 40180, 40262, 48118, 68740, 80524, 96236, 100655, 120295, 140917, 201310, 240590, 281834, 402620, 481180, 563668, 704585, 986419, 1409170, 1972838, 2818340, 3945676, 4932095, 9864190, 19728380 |
| 약수의 개수 | 72 |
| 약수의 합 | 49469616 |
성질
표기
| 바이너리 | 1001011010000011111111100 |
| 8진수 | 113203774 |
| 16진수 | 12d07fc |