18705730

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{27919}}^1$

素因数の和:27993

約数の個数: 16

約数和(自身を含む): 34174080

約数和(自身を除く): 15468350

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 27919, 55838, 139595, 279190, 1870573, 3741146, 9352865, 18705730]

約数ペア:

[(1, 18705730), (2, 9352865), (5, 3741146), (10, 1870573), (67, 279190), (134, 139595), (335, 55838), (670, 27919)]