19315667620

素因数分解:

$2^2\times 5^1\times {\mathrm{965783381}}^1$

素因数の和:965783390

約数の個数: 12

約数和(自身を含む): 40562902044

約数和(自身を除く): 21247234424

約数列:

[1, 2, 4, 5, 10, 20, 965783381, 1931566762, 3863133524, 4828916905, 9657833810, 19315667620]

約数ペア:

[(1, 19315667620), (2, 9657833810), (4, 4828916905), (5, 3863133524), (10, 1931566762), (20, 965783381)]