19193785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4159}}^1$

素因数の和:4248

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 5965895

約数列:

[1, 5, 13, 65, 71, 355, 923, 4159, 4615, 20795, 54067, 270335, 295289, 1476445, 3838757, 19193785]

約数ペア:

[(1, 19193785), (5, 3838757), (13, 1476445), (65, 295289), (71, 270335), (355, 54067), (923, 20795), (4159, 4615)]