18288812

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{10321}}^1$

素因数の和:10768

約数の個数: 12

約数和(自身を含む): 32080776

約数和(自身を除く): 13791964

約数列:

[1, 2, 4, 443, 886, 1772, 10321, 20642, 41284, 4572203, 9144406, 18288812]

約数ペア:

[(1, 18288812), (2, 9144406), (4, 4572203), (443, 41284), (886, 20642), (1772, 10321)]