19314408980

素因数分解:

$2^2\times 5^1\times {\mathrm{965720449}}^1$

素因数の和:965720458

約数の個数: 12

約数和(自身を含む): 40560258900

約数和(自身を除く): 21245849920

約数列:

[1, 2, 4, 5, 10, 20, 965720449, 1931440898, 3862881796, 4828602245, 9657204490, 19314408980]

約数ペア:

[(1, 19314408980), (2, 9657204490), (4, 4828602245), (5, 3862881796), (10, 1931440898), (20, 965720449)]