18821291

素因数分解:

${\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{757}}^1$

素因数の和:850

約数の個数: 12

約数和(自身を含む): 20120352

約数和(自身を除く): 1299061

約数列:

[1, 23, 47, 529, 757, 1081, 17411, 24863, 35579, 400453, 818317, 18821291]

約数ペア:

[(1, 18821291), (23, 818317), (47, 400453), (529, 35579), (757, 24863), (1081, 17411)]