15399956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 33818400

約数和(自身を除く): 18418444

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 109, 143, 169, 209, 218, 247, 286, 338, 418, 436, 494, 572, 676, 836, 988, 1199, 1417, 1859, 2071, 2398, 2717, 2834, 3211, 3718, 4142, 4796, 5434, 5668, 6422, 7436, 8284, 10868, 12844, 15587, 18421, 22781, 26923, 31174, 35321, 36842, 45562, 53846, 62348, 70642, 73684, 91124, 107692, 141284, 202631, 296153, 349999, 405262, 592306, 699998, 810524, 1184612, 1399996, 3849989, 7699978, 15399956]

約数ペア:

[(1, 15399956), (2, 7699978), (4, 3849989), (11, 1399996), (13, 1184612), (19, 810524), (22, 699998), (26, 592306), (38, 405262), (44, 349999), (52, 296153), (76, 202631), (109, 141284), (143, 107692), (169, 91124), (209, 73684), (218, 70642), (247, 62348), (286, 53846), (338, 45562), (418, 36842), (436, 35321), (494, 31174), (572, 26923), (676, 22781), (836, 18421), (988, 15587), (1199, 12844), (1417, 10868), (1859, 8284), (2071, 7436), (2398, 6422), (2717, 5668), (2834, 5434), (3211, 4796), (3718, 4142)]