19787690041

素因数分解:

$7^2\times {\mathrm{127}}^1\times {\mathrm{313}}^1\times {\mathrm{10159}}^1$

素因数の和:10613

約数の個数: 24

約数和(自身を含む): 23275991040

約数和(自身を除く): 3488300999

約数列:

[1, 7, 49, 127, 313, 889, 2191, 6223, 10159, 15337, 39751, 71113, 278257, 497791, 1290193, 1947799, 3179767, 9031351, 22258369, 63219457, 155808583, 403830409, 2826812863, 19787690041]

約数ペア:

[(1, 19787690041), (7, 2826812863), (49, 403830409), (127, 155808583), (313, 63219457), (889, 22258369), (2191, 9031351), (6223, 3179767), (10159, 1947799), (15337, 1290193), (39751, 497791), (71113, 278257)]