18135620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29251}}^1$

素因数の和:29291

約数の個数: 24

約数和(自身を含む): 39314688

約数和(自身を除く): 21179068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 29251, 58502, 117004, 146255, 292510, 585020, 906781, 1813562, 3627124, 4533905, 9067810, 18135620]

約数ペア:

[(1, 18135620), (2, 9067810), (4, 4533905), (5, 3627124), (10, 1813562), (20, 906781), (31, 585020), (62, 292510), (124, 146255), (155, 117004), (310, 58502), (620, 29251)]