19470945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3273

約数の個数: 32

約数和(自身を含む): 34642944

約数和(自身を除く): 15171999

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3221, 6045, 9663, 16105, 41873, 48315, 99851, 125619, 209365, 299553, 499255, 628095, 1298063, 1497765, 3894189, 6490315, 19470945]

約数ペア:

[(1, 19470945), (3, 6490315), (5, 3894189), (13, 1497765), (15, 1298063), (31, 628095), (39, 499255), (65, 299553), (93, 209365), (155, 125619), (195, 99851), (403, 48315), (465, 41873), (1209, 16105), (2015, 9663), (3221, 6045)]