18354281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{331}}^1$

素因数の和:484

約数の個数: 12

約数和(自身を含む): 20370192

約数和(自身を除く): 2015911

約数列:

[1, 11, 71, 331, 781, 3641, 5041, 23501, 55451, 258511, 1668571, 18354281]

約数ペア:

[(1, 18354281), (11, 1668571), (71, 258511), (331, 55451), (781, 23501), (3641, 5041)]