19786676

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2861}}^1$

素因数の和:2904

約数の個数: 48

約数和(自身を含む): 44876160

約数和(自身を除く): 25089484

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 2861, 3458, 5722, 6916, 11444, 20027, 37193, 40054, 54359, 74386, 80108, 108718, 148772, 217436, 260351, 380513, 520702, 706667, 761026, 1041404, 1413334, 1522052, 2826668, 4946669, 9893338, 19786676]

約数ペア:

[(1, 19786676), (2, 9893338), (4, 4946669), (7, 2826668), (13, 1522052), (14, 1413334), (19, 1041404), (26, 761026), (28, 706667), (38, 520702), (52, 380513), (76, 260351), (91, 217436), (133, 148772), (182, 108718), (247, 80108), (266, 74386), (364, 54359), (494, 40054), (532, 37193), (988, 20027), (1729, 11444), (2861, 6916), (3458, 5722)]