18889443

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3823}}^1$

素因数の和:3896

約数の個数: 20

約数和(自身を含む): 28687648

約数和(自身を除く): 9798205

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3823, 4941, 11469, 34407, 103221, 233203, 309663, 699609, 2098827, 6296481, 18889443]

約数ペア:

[(1, 18889443), (3, 6296481), (9, 2098827), (27, 699609), (61, 309663), (81, 233203), (183, 103221), (549, 34407), (1647, 11469), (3823, 4941)]