19493150

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1979}}^1$

素因数の和:2188

約数の個数: 24

約数和(自身を含む): 36459720

約数和(自身を除く): 16966570

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1970, 1979, 3958, 4925, 9850, 9895, 19790, 49475, 98950, 389863, 779726, 1949315, 3898630, 9746575, 19493150]

約数ペア:

[(1, 19493150), (2, 9746575), (5, 3898630), (10, 1949315), (25, 779726), (50, 389863), (197, 98950), (394, 49475), (985, 19790), (1970, 9895), (1979, 9850), (3958, 4925)]