18454959

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3209}}^1$

素因数の和:3292

約数の個数: 20

約数和(自身を含む): 27965520

約数和(自身を除く): 9510561

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3209, 5751, 9627, 28881, 86643, 227839, 259929, 683517, 2050551, 6151653, 18454959]

約数ペア:

[(1, 18454959), (3, 6151653), (9, 2050551), (27, 683517), (71, 259929), (81, 227839), (213, 86643), (639, 28881), (1917, 9627), (3209, 5751)]