18171260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8821}}^1$

素因数の和:8933

約数の個数: 24

約数和(自身を含む): 38534496

約数和(自身を除く): 20363236

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 8821, 17642, 35284, 44105, 88210, 176420, 908563, 1817126, 3634252, 4542815, 9085630, 18171260]

約数ペア:

[(1, 18171260), (2, 9085630), (4, 4542815), (5, 3634252), (10, 1817126), (20, 908563), (103, 176420), (206, 88210), (412, 44105), (515, 35284), (1030, 17642), (2060, 8821)]