19215339

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 30772224

約数和(自身を除く): 11556885

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 953, 1551, 1833, 2859, 6721, 10483, 12389, 20163, 31449, 37167, 44791, 134373, 136279, 408837, 492701, 582283, 1478103, 1746849, 6405113, 19215339]

約数ペア:

[(1, 19215339), (3, 6405113), (11, 1746849), (13, 1478103), (33, 582283), (39, 492701), (47, 408837), (141, 136279), (143, 134373), (429, 44791), (517, 37167), (611, 31449), (953, 20163), (1551, 12389), (1833, 10483), (2859, 6721)]