19188965

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 23760000

約数和(自身を除く): 4571035

約数列:

[1, 5, 43, 149, 215, 599, 745, 2995, 6407, 25757, 32035, 89251, 128785, 446255, 3837793, 19188965]

約数ペア:

[(1, 19188965), (5, 3837793), (43, 446255), (149, 128785), (215, 89251), (599, 32035), (745, 25757), (2995, 6407)]