18440680

素因数分解:

$2^3\times 5^1\times {\mathrm{461017}}^1$

素因数の和:461028

約数の個数: 16

約数和(自身を含む): 41491620

約数和(自身を除く): 23050940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461017, 922034, 1844068, 2305085, 3688136, 4610170, 9220340, 18440680]

約数ペア:

[(1, 18440680), (2, 9220340), (4, 4610170), (5, 3688136), (8, 2305085), (10, 1844068), (20, 922034), (40, 461017)]