2019913756

素因数分解:

$2^2\times 7^1\times {\mathrm{72139777}}^1$

素因数の和:72139788

約数の個数: 12

約数和(自身を含む): 4039827568

約数和(自身を除く): 2019913812

約数列:

[1, 2, 4, 7, 14, 28, 72139777, 144279554, 288559108, 504978439, 1009956878, 2019913756]

約数ペア:

[(1, 2019913756), (2, 1009956878), (4, 504978439), (7, 288559108), (14, 144279554), (28, 72139777)]