18778833

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1093}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 28671552

約数和(自身を除く): 9892719

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1093, 1909, 3279, 5727, 9837, 17181, 25139, 75417, 90719, 226251, 272157, 816471, 2086537, 6259611, 18778833]

約数ペア:

[(1, 18778833), (3, 6259611), (9, 2086537), (23, 816471), (69, 272157), (83, 226251), (207, 90719), (249, 75417), (747, 25139), (1093, 17181), (1909, 9837), (3279, 5727)]