17931920

素因数分解:

$2^4\times 5^1\times {\mathrm{224149}}^1$

素因数の和:224162

約数の個数: 20

約数和(自身を含む): 41691900

約数和(自身を除く): 23759980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 224149, 448298, 896596, 1120745, 1793192, 2241490, 3586384, 4482980, 8965960, 17931920]

約数ペア:

[(1, 17931920), (2, 8965960), (4, 4482980), (5, 3586384), (8, 2241490), (10, 1793192), (16, 1120745), (20, 896596), (40, 448298), (80, 224149)]