15855856

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{2237}}^1$

素因数の和:2688

約数の個数: 20

約数和(自身を含む): 30803832

約数和(自身を除く): 14947976

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 2237, 3544, 4474, 7088, 8948, 17896, 35792, 990991, 1981982, 3963964, 7927928, 15855856]

約数ペア:

[(1, 15855856), (2, 7927928), (4, 3963964), (8, 1981982), (16, 990991), (443, 35792), (886, 17896), (1772, 8948), (2237, 7088), (3544, 4474)]