19662725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{733}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 25939560

約数和(自身を除く): 6276835

約数列:

[1, 5, 25, 29, 37, 145, 185, 725, 733, 925, 1073, 3665, 5365, 18325, 21257, 26825, 27121, 106285, 135605, 531425, 678025, 786509, 3932545, 19662725]

約数ペア:

[(1, 19662725), (5, 3932545), (25, 786509), (29, 678025), (37, 531425), (145, 135605), (185, 106285), (725, 27121), (733, 26825), (925, 21257), (1073, 18325), (3665, 5365)]