19813264

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42701}}^1$

素因数の和:42738

約数の個数: 20

約数和(自身を含む): 39712860

約数和(自身を除く): 19899596

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42701, 85402, 170804, 341608, 683216, 1238329, 2476658, 4953316, 9906632, 19813264]

約数ペア:

[(1, 19813264), (2, 9906632), (4, 4953316), (8, 2476658), (16, 1238329), (29, 683216), (58, 341608), (116, 170804), (232, 85402), (464, 42701)]