18517869

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{4603}}^1$

素因数の和:4761

約数の個数: 16

約数和(自身を含む): 27624000

約数和(自身を除く): 9106131

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 4603, 13809, 41427, 124281, 685847, 2057541, 6172623, 18517869]

約数ペア:

[(1, 18517869), (3, 6172623), (9, 2057541), (27, 685847), (149, 124281), (447, 41427), (1341, 13809), (4023, 4603)]