18470185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{977}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 23472000

約数和(自身を除く): 5001815

約数列:

[1, 5, 19, 95, 199, 977, 995, 3781, 4885, 18563, 18905, 92815, 194423, 972115, 3694037, 18470185]

約数ペア:

[(1, 18470185), (5, 3694037), (19, 972115), (95, 194423), (199, 92815), (977, 18905), (995, 18563), (3781, 4885)]