18027955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{757}}^1$

素因数の和:1206

約数の個数: 16

約数和(自身を含む): 23685984

約数和(自身を除く): 5658029

約数列:

[1, 5, 11, 55, 433, 757, 2165, 3785, 4763, 8327, 23815, 41635, 327781, 1638905, 3605591, 18027955]

約数ペア:

[(1, 18027955), (5, 3605591), (11, 1638905), (55, 327781), (433, 41635), (757, 23815), (2165, 8327), (3785, 4763)]