18675747

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1199

約数の個数: 24

約数和(自身を含む): 28514304

約数和(自身を除く): 9838557

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1087, 1909, 3261, 5727, 9783, 17181, 25001, 75003, 90221, 225009, 270663, 811989, 2075083, 6225249, 18675747]

約数ペア:

[(1, 18675747), (3, 6225249), (9, 2075083), (23, 811989), (69, 270663), (83, 225009), (207, 90221), (249, 75003), (747, 25001), (1087, 17181), (1909, 9783), (3261, 5727)]