18754923

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13217}}^1$

素因数の和:13274

約数の個数: 16

約数和(自身を含む): 27916416

約数和(自身を除く): 9161493

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 13217, 39651, 145387, 436161, 568331, 1704993, 6251641, 18754923]

約数ペア:

[(1, 18754923), (3, 6251641), (11, 1704993), (33, 568331), (43, 436161), (129, 145387), (473, 39651), (1419, 13217)]