18436977

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17509}}^1$

素因数の和:17534

約数の個数: 20

約数和(自身を含む): 29661940

約数和(自身を除く): 11224963

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17509, 52527, 157581, 227617, 472743, 682851, 1418229, 2048553, 6145659, 18436977]

約数ペア:

[(1, 18436977), (3, 6145659), (9, 2048553), (13, 1418229), (27, 682851), (39, 472743), (81, 227617), (117, 157581), (351, 52527), (1053, 17509)]