19209337

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{479}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 23362560

約数和(自身を除く): 4153223

約数列:

[1, 7, 17, 119, 337, 479, 2359, 3353, 5729, 8143, 40103, 57001, 161423, 1129961, 2744191, 19209337]

約数ペア:

[(1, 19209337), (7, 2744191), (17, 1129961), (119, 161423), (337, 57001), (479, 40103), (2359, 8143), (3353, 5729)]