18440192180

素因数分解:

$2^2\times 5^1\times {\mathrm{922009609}}^1$

素因数の和:922009618

約数の個数: 12

約数和(自身を含む): 38724403620

約数和(自身を除く): 20284211440

約数列:

[1, 2, 4, 5, 10, 20, 922009609, 1844019218, 3688038436, 4610048045, 9220096090, 18440192180]

約数ペア:

[(1, 18440192180), (2, 9220096090), (4, 4610048045), (5, 3688038436), (10, 1844019218), (20, 922009609)]