18837081

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 28304640

約数和(自身を除く): 9467559

約数列:

[1, 3, 9, 41, 71, 123, 213, 369, 639, 719, 2157, 2911, 6471, 8733, 26199, 29479, 51049, 88437, 153147, 265311, 459441, 2093009, 6279027, 18837081]

約数ペア:

[(1, 18837081), (3, 6279027), (9, 2093009), (41, 459441), (71, 265311), (123, 153147), (213, 88437), (369, 51049), (639, 29479), (719, 26199), (2157, 8733), (2911, 6471)]