18455489

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 21982968

約数和(自身を除く): 3527479

約数列:

[1, 13, 17, 37, 61, 221, 481, 629, 793, 1037, 1369, 2257, 8177, 13481, 17797, 23273, 29341, 38369, 83509, 302549, 498797, 1085617, 1419653, 18455489]

約数ペア:

[(1, 18455489), (13, 1419653), (17, 1085617), (37, 498797), (61, 302549), (221, 83509), (481, 38369), (629, 29341), (793, 23273), (1037, 17797), (1369, 13481), (2257, 8177)]