18804946870

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4244909}}^1$

素因数の和:4245359

約数の個数: 16

約数和(自身を含む): 33925320720

約数和(自身を除く): 15120373850

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 4244909, 8489818, 21224545, 42449090, 1880494687, 3760989374, 9402473435, 18804946870]

約数ペア:

[(1, 18804946870), (2, 9402473435), (5, 3760989374), (10, 1880494687), (443, 42449090), (886, 21224545), (2215, 8489818), (4430, 4244909)]