18678795

素因数分解:

$3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1249}}^1$

素因数の和:2254

約数の個数: 16

約数和(自身を含む): 29940000

約数和(自身を除く): 11261205

約数列:

[1, 3, 5, 15, 997, 1249, 2991, 3747, 4985, 6245, 14955, 18735, 1245253, 3735759, 6226265, 18678795]

約数ペア:

[(1, 18678795), (3, 6226265), (5, 3735759), (15, 1245253), (997, 18735), (1249, 14955), (2991, 6245), (3747, 4985)]