18988335

素因数分解:

$3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1811}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 33072624

約数和(自身を除く): 14084289

約数列:

[1, 3, 5, 9, 15, 45, 233, 699, 1165, 1811, 2097, 3495, 5433, 9055, 10485, 16299, 27165, 81495, 421963, 1265889, 2109815, 3797667, 6329445, 18988335]

約数ペア:

[(1, 18988335), (3, 6329445), (5, 3797667), (9, 2109815), (15, 1265889), (45, 421963), (233, 81495), (699, 27165), (1165, 16299), (1811, 10485), (2097, 9055), (3495, 5433)]