19907468

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17341}}^1$

素因数の和:17393

約数の個数: 24

約数和(自身を含む): 40788384

約数和(自身を除く): 20880916

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17341, 34682, 69364, 121387, 242774, 485548, 710981, 1421962, 2843924, 4976867, 9953734, 19907468]

約数ペア:

[(1, 19907468), (2, 9953734), (4, 4976867), (7, 2843924), (14, 1421962), (28, 710981), (41, 485548), (82, 242774), (164, 121387), (287, 69364), (574, 34682), (1148, 17341)]