18689398

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3541}}^1$

素因数の和:3592

約数の個数: 32

約数和(自身を含む): 35703360

約数和(自身を除く): 17013962

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 3541, 5278, 7082, 24787, 46033, 49574, 92066, 102689, 205378, 322231, 644462, 718823, 1334957, 1437646, 2669914, 9344699, 18689398]

約数ペア:

[(1, 18689398), (2, 9344699), (7, 2669914), (13, 1437646), (14, 1334957), (26, 718823), (29, 644462), (58, 322231), (91, 205378), (182, 102689), (203, 92066), (377, 49574), (406, 46033), (754, 24787), (2639, 7082), (3541, 5278)]