2019901604

素因数分解:

$2^2\times 7^1\times {\mathrm{72139343}}^1$

素因数の和:72139354

約数の個数: 12

約数和(自身を含む): 4039803264

約数和(自身を除く): 2019901660

約数列:

[1, 2, 4, 7, 14, 28, 72139343, 144278686, 288557372, 504975401, 1009950802, 2019901604]

約数ペア:

[(1, 2019901604), (2, 1009950802), (4, 504975401), (7, 288557372), (14, 144278686), (28, 72139343)]