19898488

素因数分解:

$2^3\times {\mathrm{1151}}^1\times {\mathrm{2161}}^1$

素因数の和:3318

約数の個数: 16

約数和(自身を含む): 37359360

約数和(自身を除く): 17460872

約数列:

[1, 2, 4, 8, 1151, 2161, 2302, 4322, 4604, 8644, 9208, 17288, 2487311, 4974622, 9949244, 19898488]

約数ペア:

[(1, 19898488), (2, 9949244), (4, 4974622), (8, 2487311), (1151, 17288), (2161, 9208), (2302, 8644), (4322, 4604)]