19995496

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80627}}^1$

素因数の和:80664

約数の個数: 16

約数和(自身を含む): 38701440

約数和(自身を除く): 18705944

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80627, 161254, 322508, 645016, 2499437, 4998874, 9997748, 19995496]

約数ペア:

[(1, 19995496), (2, 9997748), (4, 4998874), (8, 2499437), (31, 645016), (62, 322508), (124, 161254), (248, 80627)]