18824585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4079}}^1$

素因数の和:4168

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 5851255

約数列:

[1, 5, 13, 65, 71, 355, 923, 4079, 4615, 20395, 53027, 265135, 289609, 1448045, 3764917, 18824585]

約数ペア:

[(1, 18824585), (5, 3764917), (13, 1448045), (65, 289609), (71, 265135), (355, 53027), (923, 20395), (4079, 4615)]