18550809

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{9677}}^1$

素因数の和:9757

約数の個数: 16

約数和(自身を含む): 27872640

約数和(自身を除く): 9321831

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 9677, 29031, 87093, 261279, 687067, 2061201, 6183603, 18550809]

約数ペア:

[(1, 18550809), (3, 6183603), (9, 2061201), (27, 687067), (71, 261279), (213, 87093), (639, 29031), (1917, 9677)]