12803938918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{21493}}^1$

素因数の和:21832

約数の個数: 32

約数和(自身を含む): 20629081440

約数和(自身を除く): 7825142522

約数列:

[1, 2, 19, 38, 61, 122, 257, 514, 1159, 2318, 4883, 9766, 15677, 21493, 31354, 42986, 297863, 408367, 595726, 816734, 1311073, 2622146, 5523701, 11047402, 24910387, 49820774, 104950319, 209900638, 336945761, 673891522, 6401969459, 12803938918]

約数ペア:

[(1, 12803938918), (2, 6401969459), (19, 673891522), (38, 336945761), (61, 209900638), (122, 104950319), (257, 49820774), (514, 24910387), (1159, 11047402), (2318, 5523701), (4883, 2622146), (9766, 1311073), (15677, 816734), (21493, 595726), (31354, 408367), (42986, 297863)]