2019925684

素因数分解:

$2^2\times 7^1\times {\mathrm{72140203}}^1$

素因数の和:72140214

約数の個数: 12

約数和(自身を含む): 4039851424

約数和(自身を除く): 2019925740

約数列:

[1, 2, 4, 7, 14, 28, 72140203, 144280406, 288560812, 504981421, 1009962842, 2019925684]

約数ペア:

[(1, 2019925684), (2, 1009962842), (4, 504981421), (7, 288560812), (14, 144280406), (28, 72140203)]