18703970

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{12553}}^1$

素因数の和:12709

約数の個数: 16

約数和(自身を含む): 33895800

約数和(自身を除く): 15191830

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 12553, 25106, 62765, 125530, 1870397, 3740794, 9351985, 18703970]

約数ペア:

[(1, 18703970), (2, 9351985), (5, 3740794), (10, 1870397), (149, 125530), (298, 62765), (745, 25106), (1490, 12553)]