18913072

素因数分解:

$2^4\times {\mathrm{547}}^1\times {\mathrm{2161}}^1$

素因数の和:2716

約数の個数: 20

約数和(自身を含む): 36728056

約数和(自身を除く): 17814984

約数列:

[1, 2, 4, 8, 16, 547, 1094, 2161, 2188, 4322, 4376, 8644, 8752, 17288, 34576, 1182067, 2364134, 4728268, 9456536, 18913072]

約数ペア:

[(1, 18913072), (2, 9456536), (4, 4728268), (8, 2364134), (16, 1182067), (547, 34576), (1094, 17288), (2161, 8752), (2188, 8644), (4322, 4376)]