18486945

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3769}}^1$

素因数の和:3889

約数の個数: 24

約数和(自身を含む): 32346600

約数和(自身を除く): 13859655

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 3769, 4905, 11307, 18845, 33921, 56535, 169605, 410821, 1232463, 2054105, 3697389, 6162315, 18486945]

約数ペア:

[(1, 18486945), (3, 6162315), (5, 3697389), (9, 2054105), (15, 1232463), (45, 410821), (109, 169605), (327, 56535), (545, 33921), (981, 18845), (1635, 11307), (3769, 4905)]