18508727219216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1\times {\mathrm{1083707}}^1$

素因数の和:1084408

約数の個数: 80

約数和(自身を含む): 38939501087424

約数和(自身を除く): 20430773868208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 523, 628, 1046, 1256, 2041, 2092, 2512, 4082, 4184, 6799, 8164, 8368, 13598, 16328, 27196, 32656, 54392, 82111, 108784, 164222, 328444, 656888, 1067443, 1083707, 1313776, 2134886, 2167414, 4269772, 4334828, 8539544, 8669656, 14088191, 17079088, 17339312, 28176382, 56352764, 112705528, 170141999, 225411056, 340283998, 566778761, 680567996, 1133557522, 1361135992, 2211845987, 2267115044, 2722271984, 4423691974, 4534230088, 7368123893, 8847383948, 9068460176, 14736247786, 17694767896, 29472495572, 35389535792, 58944991144, 88984265477, 117889982288, 177968530954, 355937061908, 711874123816, 1156795451201, 1423748247632, 2313590902402, 4627181804804, 9254363609608, 18508727219216]

約数ペア:

[(1, 18508727219216), (2, 9254363609608), (4, 4627181804804), (8, 2313590902402), (13, 1423748247632), (16, 1156795451201), (26, 711874123816), (52, 355937061908), (104, 177968530954), (157, 117889982288), (208, 88984265477), (314, 58944991144), (523, 35389535792), (628, 29472495572), (1046, 17694767896), (1256, 14736247786), (2041, 9068460176), (2092, 8847383948), (2512, 7368123893), (4082, 4534230088), (4184, 4423691974), (6799, 2722271984), (8164, 2267115044), (8368, 2211845987), (13598, 1361135992), (16328, 1133557522), (27196, 680567996), (32656, 566778761), (54392, 340283998), (82111, 225411056), (108784, 170141999), (164222, 112705528), (328444, 56352764), (656888, 28176382), (1067443, 17339312), (1083707, 17079088), (1313776, 14088191), (2134886, 8669656), (2167414, 8539544), (4269772, 4334828)]