2019161788

素因数分解:

$2^2\times 7^1\times {\mathrm{72112921}}^1$

素因数の和:72112932

約数の個数: 12

約数和(自身を含む): 4038323632

約数和(自身を除く): 2019161844

約数列:

[1, 2, 4, 7, 14, 28, 72112921, 144225842, 288451684, 504790447, 1009580894, 2019161788]

約数ペア:

[(1, 2019161788), (2, 1009580894), (4, 504790447), (7, 288451684), (14, 144225842), (28, 72112921)]