19916336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113161}}^1$

素因数の和:113180

約数の個数: 20

約数和(自身を含む): 42096264

約数和(自身を除く): 22179928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113161, 226322, 452644, 905288, 1244771, 1810576, 2489542, 4979084, 9958168, 19916336]

約数ペア:

[(1, 19916336), (2, 9958168), (4, 4979084), (8, 2489542), (11, 1810576), (16, 1244771), (22, 905288), (44, 452644), (88, 226322), (176, 113161)]