19661345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8719}}^1$

素因数の和:8776

約数の個数: 16

約数和(自身を含む): 26369280

約数和(自身を除く): 6707935

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 8719, 43595, 95909, 357479, 479545, 1787395, 3932269, 19661345]

約数ペア:

[(1, 19661345), (5, 3932269), (11, 1787395), (41, 479545), (55, 357479), (205, 95909), (451, 43595), (2255, 8719)]