18882977

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 20558208

約数和(自身を除く): 1675231

約数列:

[1, 23, 43, 61, 313, 989, 1403, 2623, 7199, 13459, 19093, 60329, 309557, 439139, 820999, 18882977]

約数ペア:

[(1, 18882977), (23, 820999), (43, 439139), (61, 309557), (313, 60329), (989, 19093), (1403, 13459), (2623, 7199)]