18900765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32309}}^1$

素因数の和:32333

約数の個数: 24

約数和(自身を含む): 35282520

約数和(自身を除く): 16381755

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 32309, 96927, 161545, 290781, 420017, 484635, 1260051, 1453905, 2100085, 3780153, 6300255, 18900765]

約数ペア:

[(1, 18900765), (3, 6300255), (5, 3780153), (9, 2100085), (13, 1453905), (15, 1260051), (39, 484635), (45, 420017), (65, 290781), (117, 161545), (195, 96927), (585, 32309)]