19491377152

素因数分解:

$2^{12}\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{941}}^1$

素因数の和:1367

約数の個数: 104

約数和(自身を含む): 42128934120

約数和(自身を除く): 22637556968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 389, 416, 512, 778, 832, 941, 1024, 1556, 1664, 1882, 2048, 3112, 3328, 3764, 4096, 5057, 6224, 6656, 7528, 10114, 12233, 12448, 13312, 15056, 20228, 24466, 24896, 26624, 30112, 40456, 48932, 49792, 53248, 60224, 80912, 97864, 99584, 120448, 161824, 195728, 199168, 240896, 323648, 366049, 391456, 398336, 481792, 647296, 732098, 782912, 796672, 963584, 1294592, 1464196, 1565824, 1593344, 1927168, 2589184, 2928392, 3131648, 3854336, 4758637, 5178368, 5856784, 6263296, 9517274, 10356736, 11713568, 12526592, 19034548, 20713472, 23427136, 25053184, 38069096, 46854272, 50106368, 76138192, 93708544, 152276384, 187417088, 304552768, 374834176, 609105536, 749668352, 1218211072, 1499336704, 2436422144, 4872844288, 9745688576, 19491377152]

約数ペア:

[(1, 19491377152), (2, 9745688576), (4, 4872844288), (8, 2436422144), (13, 1499336704), (16, 1218211072), (26, 749668352), (32, 609105536), (52, 374834176), (64, 304552768), (104, 187417088), (128, 152276384), (208, 93708544), (256, 76138192), (389, 50106368), (416, 46854272), (512, 38069096), (778, 25053184), (832, 23427136), (941, 20713472), (1024, 19034548), (1556, 12526592), (1664, 11713568), (1882, 10356736), (2048, 9517274), (3112, 6263296), (3328, 5856784), (3764, 5178368), (4096, 4758637), (5057, 3854336), (6224, 3131648), (6656, 2928392), (7528, 2589184), (10114, 1927168), (12233, 1593344), (12448, 1565824), (13312, 1464196), (15056, 1294592), (20228, 963584), (24466, 796672), (24896, 782912), (26624, 732098), (30112, 647296), (40456, 481792), (48932, 398336), (49792, 391456), (53248, 366049), (60224, 323648), (80912, 240896), (97864, 199168), (99584, 195728), (120448, 161824)]