18326905

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 22435200

約数和(自身を除く): 4108295

約数列:

[1, 5, 113, 163, 199, 565, 815, 995, 18419, 22487, 32437, 92095, 112435, 162185, 3665381, 18326905]

約数ペア:

[(1, 18326905), (5, 3665381), (113, 162185), (163, 112435), (199, 92095), (565, 32437), (815, 22487), (995, 18419)]