2018971689

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3101339}}^1$

素因数の和:3101380

約数の個数: 16

約数和(自身を含む): 3175772160

約数和(自身を除く): 1156800471

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 3101339, 9304017, 21709373, 65128119, 96141509, 288424527, 672990563, 2018971689]

約数ペア:

[(1, 2018971689), (3, 672990563), (7, 288424527), (21, 96141509), (31, 65128119), (93, 21709373), (217, 9304017), (651, 3101339)]