18034639

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 21136896

約数和(自身を除く): 3102257

約数列:

[1, 7, 71, 131, 277, 497, 917, 1939, 9301, 19667, 36287, 65107, 137669, 254009, 2576377, 18034639]

約数ペア:

[(1, 18034639), (7, 2576377), (71, 254009), (131, 137669), (277, 65107), (497, 36287), (917, 19667), (1939, 9301)]