18266755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 25498368

約数和(自身を除く): 7231613

約数列:

[1, 5, 13, 17, 61, 65, 85, 221, 271, 305, 793, 1037, 1105, 1355, 3523, 3965, 4607, 5185, 13481, 16531, 17615, 23035, 59891, 67405, 82655, 214903, 281027, 299455, 1074515, 1405135, 3653351, 18266755]

約数ペア:

[(1, 18266755), (5, 3653351), (13, 1405135), (17, 1074515), (61, 299455), (65, 281027), (85, 214903), (221, 82655), (271, 67405), (305, 59891), (793, 23035), (1037, 17615), (1105, 16531), (1355, 13481), (3523, 5185), (3965, 4607)]