19996264

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{47161}}^1$

素因数の和:47220

約数の個数: 16

約数和(自身を含む): 38201220

約数和(自身を除く): 18204956

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 47161, 94322, 188644, 377288, 2499533, 4999066, 9998132, 19996264]

約数ペア:

[(1, 19996264), (2, 9998132), (4, 4999066), (8, 2499533), (53, 377288), (106, 188644), (212, 94322), (424, 47161)]