18154881

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 27895040

約数和(自身を除く): 9740159

約数列:

[1, 3, 9, 27, 61, 73, 151, 183, 219, 453, 549, 657, 1359, 1647, 1971, 4077, 4453, 9211, 11023, 13359, 27633, 33069, 40077, 82899, 99207, 120231, 248697, 297621, 672403, 2017209, 6051627, 18154881]

約数ペア:

[(1, 18154881), (3, 6051627), (9, 2017209), (27, 672403), (61, 297621), (73, 248697), (151, 120231), (183, 99207), (219, 82899), (453, 40077), (549, 33069), (657, 27633), (1359, 13359), (1647, 11023), (1971, 9211), (4077, 4453)]