204064636

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{141319}}^1$

素因数の和:141361

約数の個数: 18

約数和(自身を含む): 376900440

約数和(自身を除く): 172835804

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 141319, 282638, 565276, 2685061, 5370122, 10740244, 51016159, 102032318, 204064636]

約数ペア:

[(1, 204064636), (2, 102032318), (4, 51016159), (19, 10740244), (38, 5370122), (76, 2685061), (361, 565276), (722, 282638), (1444, 141319)]