숫자 19870140
소인수분해
소인수분해 | 2 * 2 * 3 * 5 * 61 * 61 * 89 |
약수 | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 89, 122, 178, 183, 244, 267, 305, 356, 366, 445, 534, 610, 732, 890, 915, 1068, 1220, 1335, 1780, 1830, 2670, 3660, 3721, 5340, 5429, 7442, 10858, 11163, 14884, 16287, 18605, 21716, 22326, 27145, 32574, 37210, 44652, 54290, 55815, 65148, 74420, 81435, 108580, 111630, 162870, 223260, 325740, 331169, 662338, 993507, 1324676, 1655845, 1987014, 3311690, 3974028, 4967535, 6623380, 9935070, 19870140 |
약수의 개수 | 72 |
약수의 합 | 57198960 |
성질
표기
바이너리 | 1001011110011000110111100 |
8진수 | 113630674 |
16진수 | 12f31bc |