18662546944

素因数分解:

$2^9\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{2143}}^1$

素因数の和:2467

約数の個数: 80

約数和(自身を含む): 37979390592

約数和(自身を除く): 19316843648

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 233, 256, 292, 466, 512, 584, 932, 1168, 1864, 2143, 2336, 3728, 4286, 4672, 7456, 8572, 9344, 14912, 17009, 17144, 18688, 29824, 34018, 34288, 37376, 59648, 68036, 68576, 119296, 136072, 137152, 156439, 272144, 274304, 312878, 499319, 544288, 548608, 625756, 998638, 1088576, 1097216, 1251512, 1997276, 2177152, 2503024, 3994552, 4354304, 5006048, 7989104, 8708608, 10012096, 15978208, 20024192, 31956416, 36450287, 40048384, 63912832, 72900574, 80096768, 127825664, 145801148, 255651328, 291602296, 583204592, 1166409184, 2332818368, 4665636736, 9331273472, 18662546944]

約数ペア:

[(1, 18662546944), (2, 9331273472), (4, 4665636736), (8, 2332818368), (16, 1166409184), (32, 583204592), (64, 291602296), (73, 255651328), (128, 145801148), (146, 127825664), (233, 80096768), (256, 72900574), (292, 63912832), (466, 40048384), (512, 36450287), (584, 31956416), (932, 20024192), (1168, 15978208), (1864, 10012096), (2143, 8708608), (2336, 7989104), (3728, 5006048), (4286, 4354304), (4672, 3994552), (7456, 2503024), (8572, 2177152), (9344, 1997276), (14912, 1251512), (17009, 1097216), (17144, 1088576), (18688, 998638), (29824, 625756), (34018, 548608), (34288, 544288), (37376, 499319), (59648, 312878), (68036, 274304), (68576, 272144), (119296, 156439), (136072, 137152)]