18220642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{28559}}^1$

素因数の和:28601

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 12624158

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 28559, 57118, 314149, 628298, 828211, 1656422, 9110321, 18220642]

約数ペア:

[(1, 18220642), (2, 9110321), (11, 1656422), (22, 828211), (29, 628298), (58, 314149), (319, 57118), (638, 28559)]