18279243

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{21839}}^1$

素因数の和:21879

約数の個数: 16

約数和(自身を含む): 27955200

約数和(自身を除く): 9675957

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 21839, 65517, 196551, 589653, 677009, 2031027, 6093081, 18279243]

約数ペア:

[(1, 18279243), (3, 6093081), (9, 2031027), (27, 677009), (31, 589653), (93, 196551), (279, 65517), (837, 21839)]