18723879

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{2657}}^1$

素因数の和:2701

約数の個数: 24

約数和(自身を含む): 29025360

約数和(自身を除く): 10301481

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 2657, 7047, 7971, 23913, 71739, 77053, 215217, 231159, 645651, 693477, 2080431, 6241293, 18723879]

約数ペア:

[(1, 18723879), (3, 6241293), (9, 2080431), (27, 693477), (29, 645651), (81, 231159), (87, 215217), (243, 77053), (261, 71739), (783, 23913), (2349, 7971), (2657, 7047)]