18242815

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 22550400

約数和(自身を除く): 4307585

約数列:

[1, 5, 47, 149, 235, 521, 745, 2605, 7003, 24487, 35015, 77629, 122435, 388145, 3648563, 18242815]

約数ペア:

[(1, 18242815), (5, 3648563), (47, 388145), (149, 122435), (235, 77629), (521, 35015), (745, 24487), (2605, 7003)]