19383908

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{10939}}^1$

素因数の和:11386

約数の個数: 12

約数和(自身を含む): 34001520

約数和(自身を除く): 14617612

約数列:

[1, 2, 4, 443, 886, 1772, 10939, 21878, 43756, 4845977, 9691954, 19383908]

約数ペア:

[(1, 19383908), (2, 9691954), (4, 4845977), (443, 43756), (886, 21878), (1772, 10939)]