2019618188

素因数分解:

$2^2\times 7^1\times {\mathrm{72129221}}^1$

素因数の和:72129232

約数の個数: 12

約数和(自身を含む): 4039236432

約数和(自身を除く): 2019618244

約数列:

[1, 2, 4, 7, 14, 28, 72129221, 144258442, 288516884, 504904547, 1009809094, 2019618188]

約数ペア:

[(1, 2019618188), (2, 1009809094), (4, 504904547), (7, 288516884), (14, 144258442), (28, 72129221)]