18825021

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{9551}}^1$

素因数の和:9633

約数の個数: 16

約数和(自身を含む): 28273920

約数和(自身を除く): 9448899

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 9551, 28653, 85959, 257877, 697223, 2091669, 6275007, 18825021]

約数ペア:

[(1, 18825021), (3, 6275007), (9, 2091669), (27, 697223), (73, 257877), (219, 85959), (657, 28653), (1971, 9551)]