18700587

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 28667808

約数和(自身を除く): 9967221

約数列:

[1, 3, 9, 23, 61, 69, 183, 207, 549, 1403, 1481, 4209, 4443, 12627, 13329, 34063, 90341, 102189, 271023, 306567, 813069, 2077843, 6233529, 18700587]

約数ペア:

[(1, 18700587), (3, 6233529), (9, 2077843), (23, 813069), (61, 306567), (69, 271023), (183, 102189), (207, 90341), (549, 34063), (1403, 13329), (1481, 12627), (4209, 4443)]