18500967

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3217}}^1$

素因数の和:3300

約数の個数: 20

約数和(自身を含む): 28035216

約数和(自身を除く): 9534249

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3217, 5751, 9651, 28953, 86859, 228407, 260577, 685221, 2055663, 6166989, 18500967]

約数ペア:

[(1, 18500967), (3, 6166989), (9, 2055663), (27, 685221), (71, 260577), (81, 228407), (213, 86859), (639, 28953), (1917, 9651), (3217, 5751)]