19949912

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{85991}}^1$

素因数の和:86026

約数の個数: 16

約数和(自身を含む): 38696400

約数和(自身を除く): 18746488

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 85991, 171982, 343964, 687928, 2493739, 4987478, 9974956, 19949912]

約数ペア:

[(1, 19949912), (2, 9974956), (4, 4987478), (8, 2493739), (29, 687928), (58, 343964), (116, 171982), (232, 85991)]