18448820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70957}}^1$

素因数の和:70979

約数の個数: 24

約数和(自身を含む): 41723304

約数和(自身を除く): 23274484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70957, 141914, 283828, 354785, 709570, 922441, 1419140, 1844882, 3689764, 4612205, 9224410, 18448820]

約数ペア:

[(1, 18448820), (2, 9224410), (4, 4612205), (5, 3689764), (10, 1844882), (13, 1419140), (20, 922441), (26, 709570), (52, 354785), (65, 283828), (130, 141914), (260, 70957)]