18728110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 35719200

約数和(自身を除く): 16991090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 241, 409, 482, 818, 1205, 2045, 2410, 4090, 4579, 7771, 9158, 15542, 22895, 38855, 45790, 77710, 98569, 197138, 492845, 985690, 1872811, 3745622, 9364055, 18728110]

約数ペア:

[(1, 18728110), (2, 9364055), (5, 3745622), (10, 1872811), (19, 985690), (38, 492845), (95, 197138), (190, 98569), (241, 77710), (409, 45790), (482, 38855), (818, 22895), (1205, 15542), (2045, 9158), (2410, 7771), (4090, 4579)]