18891441

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 11348559

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 1049, 2001, 3147, 6003, 9441, 18009, 24127, 28323, 30421, 72381, 91263, 217143, 273789, 651429, 699683, 821367, 2099049, 6297147, 18891441]

約数ペア:

[(1, 18891441), (3, 6297147), (9, 2099049), (23, 821367), (27, 699683), (29, 651429), (69, 273789), (87, 217143), (207, 91263), (261, 72381), (621, 30421), (667, 28323), (783, 24127), (1049, 18009), (2001, 9441), (3147, 6003)]