31384580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{82591}}^1$

素因数の和:82619

約数の個数: 24

約数和(自身を含む): 69377280

約数和(自身を除く): 37992700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 82591, 165182, 330364, 412955, 825910, 1569229, 1651820, 3138458, 6276916, 7846145, 15692290, 31384580]

約数ペア:

[(1, 31384580), (2, 15692290), (4, 7846145), (5, 6276916), (10, 3138458), (19, 1651820), (20, 1569229), (38, 825910), (76, 412955), (95, 330364), (190, 165182), (380, 82591)]