19916830

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13367}}^1$

素因数の和:13523

約数の個数: 16

約数和(自身を含む): 36093600

約数和(自身を除く): 16176770

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 13367, 26734, 66835, 133670, 1991683, 3983366, 9958415, 19916830]

約数ペア:

[(1, 19916830), (2, 9958415), (5, 3983366), (10, 1991683), (149, 133670), (298, 66835), (745, 26734), (1490, 13367)]