18528293

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 21811200

約数和(自身を除く): 3282907

約数列:

[1, 7, 47, 199, 283, 329, 1393, 1981, 9353, 13301, 56317, 65471, 93107, 394219, 2646899, 18528293]

約数ペア:

[(1, 18528293), (7, 2646899), (47, 394219), (199, 93107), (283, 65471), (329, 56317), (1393, 13301), (1981, 9353)]