19143760

素因数分解:

$2^4\times 5^1\times {\mathrm{239297}}^1$

素因数の和:239310

約数の個数: 20

約数和(自身を含む): 44509428

約数和(自身を除く): 25365668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239297, 478594, 957188, 1196485, 1914376, 2392970, 3828752, 4785940, 9571880, 19143760]

約数ペア:

[(1, 19143760), (2, 9571880), (4, 4785940), (5, 3828752), (8, 2392970), (10, 1914376), (16, 1196485), (20, 957188), (40, 478594), (80, 239297)]