2019979612

素因数分解:

$2^2\times 7^1\times {\mathrm{72142129}}^1$

素因数の和:72142140

約数の個数: 12

約数和(自身を含む): 4039959280

約数和(自身を除く): 2019979668

約数列:

[1, 2, 4, 7, 14, 28, 72142129, 144284258, 288568516, 504994903, 1009989806, 2019979612]

約数ペア:

[(1, 2019979612), (2, 1009989806), (4, 504994903), (7, 288568516), (14, 144284258), (28, 72142129)]