19625977

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 22969600

約数和(自身を除く): 3343623

約数列:

[1, 7, 73, 193, 199, 511, 1351, 1393, 14089, 14527, 38407, 98623, 101689, 268849, 2803711, 19625977]

約数ペア:

[(1, 19625977), (7, 2803711), (73, 268849), (193, 101689), (199, 98623), (511, 38407), (1351, 14527), (1393, 14089)]