18318393

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1627}}^1$

素因数の和:1778

約数の個数: 20

約数和(自身を含む): 27578320

約数和(自身を除く): 9259927

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1627, 3753, 4881, 11259, 14643, 43929, 131787, 226153, 678459, 2035377, 6106131, 18318393]

約数ペア:

[(1, 18318393), (3, 6106131), (9, 2035377), (27, 678459), (81, 226153), (139, 131787), (417, 43929), (1251, 14643), (1627, 11259), (3753, 4881)]