18912399

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1831}}^1$

素因数の和:2158

約数の個数: 16

約数和(自身を含む): 27611904

約数和(自身を除く): 8699505

約数列:

[1, 3, 11, 33, 313, 939, 1831, 3443, 5493, 10329, 20141, 60423, 573103, 1719309, 6304133, 18912399]

約数ペア:

[(1, 18912399), (3, 6304133), (11, 1719309), (33, 573103), (313, 60423), (939, 20141), (1831, 10329), (3443, 5493)]