2019979684

素因数分解:

$2^2\times {\mathrm{1171}}^1\times {\mathrm{431251}}^1$

素因数の和:432426

約数の個数: 12

約数和(自身を含む): 3537991408

約数和(自身を除く): 1518011724

約数列:

[1, 2, 4, 1171, 2342, 4684, 431251, 862502, 1725004, 504994921, 1009989842, 2019979684]

約数ペア:

[(1, 2019979684), (2, 1009989842), (4, 504994921), (1171, 1725004), (2342, 862502), (4684, 431251)]