19018857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 30514176

約数和(自身を除く): 11495319

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1031, 1419, 1677, 3093, 6149, 11341, 13403, 18447, 34023, 40209, 44333, 132999, 147433, 442299, 487663, 576329, 1462989, 1728987, 6339619, 19018857]

約数ペア:

[(1, 19018857), (3, 6339619), (11, 1728987), (13, 1462989), (33, 576329), (39, 487663), (43, 442299), (129, 147433), (143, 132999), (429, 44333), (473, 40209), (559, 34023), (1031, 18447), (1419, 13403), (1677, 11341), (3093, 6149)]