19807754

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20089}}^1$

素因数の和:20137

約数の個数: 16

約数和(自身を含む): 32545800

約数和(自身を除く): 12738046

約数列:

[1, 2, 17, 29, 34, 58, 493, 986, 20089, 40178, 341513, 582581, 683026, 1165162, 9903877, 19807754]

約数ペア:

[(1, 19807754), (2, 9903877), (17, 1165162), (29, 683026), (34, 582581), (58, 341513), (493, 40178), (986, 20089)]