18205390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{919}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 37624320

約数和(自身を除く): 19418930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283, 566, 919, 1415, 1838, 1981, 2830, 3962, 4595, 6433, 9190, 9905, 12866, 19810, 32165, 64330, 260077, 520154, 1300385, 1820539, 2600770, 3641078, 9102695, 18205390]

約数ペア:

[(1, 18205390), (2, 9102695), (5, 3641078), (7, 2600770), (10, 1820539), (14, 1300385), (35, 520154), (70, 260077), (283, 64330), (566, 32165), (919, 19810), (1415, 12866), (1838, 9905), (1981, 9190), (2830, 6433), (3962, 4595)]