18998451

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 28763280

約数和(自身を除く): 9764829

約数列:

[1, 3, 9, 29, 83, 87, 249, 261, 747, 877, 2407, 2631, 7221, 7893, 21663, 25433, 72791, 76299, 218373, 228897, 655119, 2110939, 6332817, 18998451]

約数ペア:

[(1, 18998451), (3, 6332817), (9, 2110939), (29, 655119), (83, 228897), (87, 218373), (249, 76299), (261, 72791), (747, 25433), (877, 21663), (2407, 7893), (2631, 7221)]