18528885

素因数分解:

$3^3\times 5^1\times {\mathrm{137251}}^1$

素因数の和:137265

約数の個数: 16

約数和(自身を含む): 32940480

約数和(自身を除く): 14411595

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137251, 411753, 686255, 1235259, 2058765, 3705777, 6176295, 18528885]

約数ペア:

[(1, 18528885), (3, 6176295), (5, 3705777), (9, 2058765), (15, 1235259), (27, 686255), (45, 411753), (135, 137251)]