19953886

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{2003}}^1$

素因数の和:2315

約数の個数: 16

約数和(自身を含む): 31815504

約数和(自身を除く): 11861618

約数列:

[1, 2, 17, 34, 293, 586, 2003, 4006, 4981, 9962, 34051, 68102, 586879, 1173758, 9976943, 19953886]

約数ペア:

[(1, 19953886), (2, 9976943), (17, 1173758), (34, 586879), (293, 68102), (586, 34051), (2003, 9962), (4006, 4981)]