19316731

素因数分解:

$7^3\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:503

約数の個数: 16

約数和(自身を含む): 22720000

約数和(自身を除く): 3403269

約数列:

[1, 7, 49, 199, 283, 343, 1393, 1981, 9751, 13867, 56317, 68257, 97069, 394219, 2759533, 19316731]

約数ペア:

[(1, 19316731), (7, 2759533), (49, 394219), (199, 97069), (283, 68257), (343, 56317), (1393, 13867), (1981, 9751)]