17720768

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 84

約数和(自身を含む): 40645080

約数和(自身を除く): 22924312

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 59, 64, 76, 104, 118, 152, 208, 236, 247, 304, 361, 416, 472, 494, 608, 722, 767, 832, 944, 988, 1121, 1216, 1444, 1534, 1888, 1976, 2242, 2888, 3068, 3776, 3952, 4484, 4693, 5776, 6136, 7904, 8968, 9386, 11552, 12272, 14573, 15808, 17936, 18772, 21299, 23104, 24544, 29146, 35872, 37544, 42598, 49088, 58292, 71744, 75088, 85196, 116584, 150176, 170392, 233168, 276887, 300352, 340784, 466336, 553774, 681568, 932672, 1107548, 1363136, 2215096, 4430192, 8860384, 17720768]

約数ペア:

[(1, 17720768), (2, 8860384), (4, 4430192), (8, 2215096), (13, 1363136), (16, 1107548), (19, 932672), (26, 681568), (32, 553774), (38, 466336), (52, 340784), (59, 300352), (64, 276887), (76, 233168), (104, 170392), (118, 150176), (152, 116584), (208, 85196), (236, 75088), (247, 71744), (304, 58292), (361, 49088), (416, 42598), (472, 37544), (494, 35872), (608, 29146), (722, 24544), (767, 23104), (832, 21299), (944, 18772), (988, 17936), (1121, 15808), (1216, 14573), (1444, 12272), (1534, 11552), (1888, 9386), (1976, 8968), (2242, 7904), (2888, 6136), (3068, 5776), (3776, 4693), (3952, 4484)]