7158820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18839}}^1$

素因数の和:18867

約数の個数: 24

約数和(自身を含む): 15825600

約数和(自身を除く): 8666780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 18839, 37678, 75356, 94195, 188390, 357941, 376780, 715882, 1431764, 1789705, 3579410, 7158820]

約数ペア:

[(1, 7158820), (2, 3579410), (4, 1789705), (5, 1431764), (10, 715882), (19, 376780), (20, 357941), (38, 188390), (76, 94195), (95, 75356), (190, 37678), (380, 18839)]