18238768

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{27803}}^1$

素因数の和:27852

約数の個数: 20

約数和(自身を含む): 36200808

約数和(自身を除く): 17962040

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 27803, 55606, 111212, 222424, 444848, 1139923, 2279846, 4559692, 9119384, 18238768]

約数ペア:

[(1, 18238768), (2, 9119384), (4, 4559692), (8, 2279846), (16, 1139923), (41, 444848), (82, 222424), (164, 111212), (328, 55606), (656, 27803)]