19958306

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{2089}}^1$

素因数の和:2389

約数の個数: 16

約数和(自身を含む): 31826520

約数和(自身を除く): 11868214

約数列:

[1, 2, 17, 34, 281, 562, 2089, 4178, 4777, 9554, 35513, 71026, 587009, 1174018, 9979153, 19958306]

約数ペア:

[(1, 19958306), (2, 9979153), (17, 1174018), (34, 587009), (281, 71026), (562, 35513), (2089, 9554), (4178, 4777)]