19492249

素因数分解:

$7^2\times {\mathrm{199}}^1\times {\mathrm{1999}}^1$

素因数の和:2212

約数の個数: 12

約数和(自身を含む): 22800000

約数和(自身を除く): 3307751

約数列:

[1, 7, 49, 199, 1393, 1999, 9751, 13993, 97951, 397801, 2784607, 19492249]

約数ペア:

[(1, 19492249), (7, 2784607), (49, 397801), (199, 97951), (1393, 13993), (1999, 9751)]