18497157

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4339}}^1$

素因数の和:4385

約数の個数: 24

約数和(自身を含む): 29685600

約数和(自身を除く): 11188443

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4339, 13017, 30373, 91119, 125831, 212611, 377493, 637833, 880817, 2642451, 6165719, 18497157]

約数ペア:

[(1, 18497157), (3, 6165719), (7, 2642451), (21, 880817), (29, 637833), (49, 377493), (87, 212611), (147, 125831), (203, 91119), (609, 30373), (1421, 13017), (4263, 4339)]