18945148

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 33868800

約数和(自身を除く): 14923652

約数列:

[1, 2, 4, 79, 158, 167, 316, 334, 359, 668, 718, 1436, 13193, 26386, 28361, 52772, 56722, 59953, 113444, 119906, 239812, 4736287, 9472574, 18945148]

約数ペア:

[(1, 18945148), (2, 9472574), (4, 4736287), (79, 239812), (158, 119906), (167, 113444), (316, 59953), (334, 56722), (359, 52772), (668, 28361), (718, 26386), (1436, 13193)]