18885507

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{1433}}^1$

素因数の和:1650

約数の個数: 16

約数和(自身を含む): 26431488

約数和(自身を除く): 7545981

約数列:

[1, 3, 23, 69, 191, 573, 1433, 4299, 4393, 13179, 32959, 98877, 273703, 821109, 6295169, 18885507]

約数ペア:

[(1, 18885507), (3, 6295169), (23, 821109), (69, 273703), (191, 98877), (573, 32959), (1433, 13179), (4299, 4393)]