18662265

素因数分解:

$3^3\times 5^1\times {\mathrm{138239}}^1$

素因数の和:138253

約数の個数: 16

約数和(自身を含む): 33177600

約数和(自身を除く): 14515335

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 138239, 414717, 691195, 1244151, 2073585, 3732453, 6220755, 18662265]

約数ペア:

[(1, 18662265), (3, 6220755), (5, 3732453), (9, 2073585), (15, 1244151), (27, 691195), (45, 414717), (135, 138239)]