18423009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2709

約数の個数: 24

約数和(自身を含む): 29450304

約数和(自身を除く): 11027295

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2621, 7029, 7863, 23589, 28831, 86493, 186091, 259479, 558273, 1674819, 2047001, 6141003, 18423009]

約数ペア:

[(1, 18423009), (3, 6141003), (9, 2047001), (11, 1674819), (33, 558273), (71, 259479), (99, 186091), (213, 86493), (639, 28831), (781, 23589), (2343, 7863), (2621, 7029)]