18945099

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 28035072

約数和(自身を除く): 9089973

約数列:

[1, 3, 9, 103, 107, 191, 309, 321, 573, 927, 963, 1719, 11021, 19673, 20437, 33063, 59019, 61311, 99189, 177057, 183933, 2105011, 6315033, 18945099]

約数ペア:

[(1, 18945099), (3, 6315033), (9, 2105011), (103, 183933), (107, 177057), (191, 99189), (309, 61311), (321, 59019), (573, 33063), (927, 20437), (963, 19673), (1719, 11021)]