18874143

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{29537}}^1$

素因数の和:29614

約数の個数: 12

約数和(自身を含む): 27647568

約数和(自身を除く): 8773425

約数列:

[1, 3, 9, 71, 213, 639, 29537, 88611, 265833, 2097127, 6291381, 18874143]

約数ペア:

[(1, 18874143), (3, 6291381), (9, 2097127), (71, 265833), (213, 88611), (639, 29537)]