18685156

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4871}}^1$

素因数の和:5019

約数の個数: 24

約数和(自身を含む): 37650816

約数和(自身を除く): 18965660

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 4871, 9742, 19484, 34097, 68194, 136388, 667327, 1334654, 2669308, 4671289, 9342578, 18685156]

約数ペア:

[(1, 18685156), (2, 9342578), (4, 4671289), (7, 2669308), (14, 1334654), (28, 667327), (137, 136388), (274, 68194), (548, 34097), (959, 19484), (1918, 9742), (3836, 4871)]