18840555

素因数分解:

$3^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{683}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 32758128

約数和(自身を除く): 13917573

約数列:

[1, 3, 5, 9, 15, 45, 613, 683, 1839, 2049, 3065, 3415, 5517, 6147, 9195, 10245, 27585, 30735, 418679, 1256037, 2093395, 3768111, 6280185, 18840555]

約数ペア:

[(1, 18840555), (3, 6280185), (5, 3768111), (9, 2093395), (15, 1256037), (45, 418679), (613, 30735), (683, 27585), (1839, 10245), (2049, 9195), (3065, 6147), (3415, 5517)]