19921083

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1697}}^1$

素因数の和:1763

約数の個数: 32

約数和(自身を含む): 33470976

約数和(自身を除く): 13549893

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 1697, 3913, 5091, 11739, 11879, 22061, 35637, 66183, 72971, 154427, 218913, 463281, 510797, 948623, 1532391, 2845869, 6640361, 19921083]

約数ペア:

[(1, 19921083), (3, 6640361), (7, 2845869), (13, 1532391), (21, 948623), (39, 510797), (43, 463281), (91, 218913), (129, 154427), (273, 72971), (301, 66183), (559, 35637), (903, 22061), (1677, 11879), (1697, 11739), (3913, 5091)]