18855776020

素因数分解:

$2^2\times 5^1\times {\mathrm{942788801}}^1$

素因数の和:942788810

約数の個数: 12

約数和(自身を含む): 39597129684

約数和(自身を除く): 20741353664

約数列:

[1, 2, 4, 5, 10, 20, 942788801, 1885577602, 3771155204, 4713944005, 9427888010, 18855776020]

約数ペア:

[(1, 18855776020), (2, 9427888010), (4, 4713944005), (5, 3771155204), (10, 1885577602), (20, 942788801)]