19553686

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1901}}^1$

素因数の和:2079

約数の個数: 16

約数和(自身を含む): 30355920

約数和(自身を除く): 10802234

約数列:

[1, 2, 37, 74, 139, 278, 1901, 3802, 5143, 10286, 70337, 140674, 264239, 528478, 9776843, 19553686]

約数ペア:

[(1, 19553686), (2, 9776843), (37, 528478), (74, 264239), (139, 140674), (278, 70337), (1901, 10286), (3802, 5143)]