19906576

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4591}}^1$

素因数の和:4870

約数の個数: 20

約数和(自身を含む): 38719744

約数和(自身を除く): 18813168

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 4591, 9182, 18364, 36728, 73456, 1244161, 2488322, 4976644, 9953288, 19906576]

約数ペア:

[(1, 19906576), (2, 9953288), (4, 4976644), (8, 2488322), (16, 1244161), (271, 73456), (542, 36728), (1084, 18364), (2168, 9182), (4336, 4591)]