18159219

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{11939}}^1$

素因数の和:11971

約数の個数: 18

約数和(自身を含む): 28405260

約数和(自身を除く): 10246041

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 11939, 35817, 107451, 155207, 465621, 1396863, 2017691, 6053073, 18159219]

約数ペア:

[(1, 18159219), (3, 6053073), (9, 2017691), (13, 1396863), (39, 465621), (117, 155207), (169, 107451), (507, 35817), (1521, 11939)]