18303025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 24651200

約数和(自身を除く): 6348175

約数列:

[1, 5, 13, 25, 65, 199, 283, 325, 995, 1415, 2587, 3679, 4975, 7075, 12935, 18395, 56317, 64675, 91975, 281585, 732121, 1407925, 3660605, 18303025]

約数ペア:

[(1, 18303025), (5, 3660605), (13, 1407925), (25, 732121), (65, 281585), (199, 91975), (283, 64675), (325, 56317), (995, 18395), (1415, 12935), (2587, 7075), (3679, 4975)]