19289919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8233}}^1$

素因数の和:8318

約数の個数: 16

約数和(自身を含む): 28456704

約数和(自身を除く): 9166785

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8233, 24699, 90563, 271689, 584543, 1753629, 6429973, 19289919]

約数ペア:

[(1, 19289919), (3, 6429973), (11, 1753629), (33, 584543), (71, 271689), (213, 90563), (781, 24699), (2343, 8233)]