2019980782

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{356761}}^1$

素因数の和:356931

約数の個数: 16

約数和(自身を含む): 3210858000

約数和(自身を除く): 1190877218

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 356761, 713522, 6778459, 13556918, 53157389, 106314778, 1009990391, 2019980782]

約数ペア:

[(1, 2019980782), (2, 1009990391), (19, 106314778), (38, 53157389), (149, 13556918), (298, 6778459), (2831, 713522), (5662, 356761)]