2019912842

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1\times {\mathrm{19819}}^1$

素因数の和:20341

約数の個数: 16

約数和(自身を含む): 3061000800

約数和(自身を除く): 1041087958

約数列:

[1, 2, 131, 262, 389, 778, 19819, 39638, 50959, 101918, 2596289, 5192578, 7709591, 15419182, 1009956421, 2019912842]

約数ペア:

[(1, 2019912842), (2, 1009956421), (131, 15419182), (262, 7709591), (389, 5192578), (778, 2596289), (19819, 101918), (39638, 50959)]