31640738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{7639}}^1$

素因数の和:7769

約数の個数: 16

約数和(自身を含む): 50424000

約数和(自身を除く): 18783262

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 7639, 15278, 145141, 290282, 832651, 1665302, 15820369, 31640738]

約数ペア:

[(1, 31640738), (2, 15820369), (19, 1665302), (38, 832651), (109, 290282), (218, 145141), (2071, 15278), (4142, 7639)]