19728423

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15329}}^1$

素因数の和:15359

約数の個数: 24

約数和(自身を含む): 33480720

約数和(自身を除く): 13752297

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 15329, 45987, 137961, 168619, 199277, 505857, 597831, 1517571, 1793493, 2192047, 6576141, 19728423]

約数ペア:

[(1, 19728423), (3, 6576141), (9, 2192047), (11, 1793493), (13, 1517571), (33, 597831), (39, 505857), (99, 199277), (117, 168619), (143, 137961), (429, 45987), (1287, 15329)]