18581967

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1627}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 28444416

約数和(自身を除く): 9862449

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 1627, 3807, 4881, 11421, 14643, 43929, 76469, 131787, 229407, 395361, 688221, 2064663, 6193989, 18581967]

約数ペア:

[(1, 18581967), (3, 6193989), (9, 2064663), (27, 688221), (47, 395361), (81, 229407), (141, 131787), (243, 76469), (423, 43929), (1269, 14643), (1627, 11421), (3807, 4881)]