18677061

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17737}}^1$

素因数の和:17762

約数の個数: 20

約数和(自身を含む): 30048172

約数和(自身を除く): 11371111

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17737, 53211, 159633, 230581, 478899, 691743, 1436697, 2075229, 6225687, 18677061]

約数ペア:

[(1, 18677061), (3, 6225687), (9, 2075229), (13, 1436697), (27, 691743), (39, 478899), (81, 230581), (117, 159633), (351, 53211), (1053, 17737)]