2089106690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18991879}}^1$

素因数の和:18991897

約数の個数: 16

約数和(自身を含む): 4102246080

約数和(自身を除く): 2013139390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 18991879, 37983758, 94959395, 189918790, 208910669, 417821338, 1044553345, 2089106690]

約数ペア:

[(1, 2089106690), (2, 1044553345), (5, 417821338), (10, 208910669), (11, 189918790), (22, 94959395), (55, 37983758), (110, 18991879)]