18805138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2381}}^1$

素因数の和:2753

約数の個数: 16

約数和(自身を含む): 30870720

約数和(自身を除く): 12065582

約数列:

[1, 2, 11, 22, 359, 718, 2381, 3949, 4762, 7898, 26191, 52382, 854779, 1709558, 9402569, 18805138]

約数ペア:

[(1, 18805138), (2, 9402569), (11, 1709558), (22, 854779), (359, 52382), (718, 26191), (2381, 7898), (3949, 4762)]