18696225

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2287}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 31208320

約数和(自身を除く): 12512095

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2287, 2725, 6861, 8175, 11435, 34305, 57175, 171525, 249283, 747849, 1246415, 3739245, 6232075, 18696225]

約数ペア:

[(1, 18696225), (3, 6232075), (5, 3739245), (15, 1246415), (25, 747849), (75, 249283), (109, 171525), (327, 57175), (545, 34305), (1635, 11435), (2287, 8175), (2725, 6861)]