19655427

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8389}}^1$

素因数の和:8474

約数の個数: 16

約数和(自身を含む): 28995840

約数和(自身を除く): 9340413

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8389, 25167, 92279, 276837, 595619, 1786857, 6551809, 19655427]

約数ペア:

[(1, 19655427), (3, 6551809), (11, 1786857), (33, 595619), (71, 276837), (213, 92279), (781, 25167), (2343, 8389)]