19439819264

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{827}}^1\times {\mathrm{1481}}^1$

素因数の和:2357

約数の個数: 80

約数和(自身を含む): 40170214656

約数和(自身を除く): 20730395392

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 827, 992, 1481, 1654, 1984, 2962, 3308, 3968, 5924, 6616, 7936, 11848, 13232, 15872, 23696, 25637, 26464, 45911, 47392, 51274, 52928, 91822, 94784, 102548, 105856, 183644, 189568, 205096, 211712, 367288, 379136, 410192, 423424, 734576, 758272, 820384, 1224787, 1469152, 1640768, 2449574, 2938304, 3281536, 4899148, 5876608, 6563072, 9798296, 11753216, 13126144, 19596592, 23506432, 37968397, 39193184, 75936794, 78386368, 151873588, 156772736, 303747176, 313545472, 607494352, 627090944, 1214988704, 2429977408, 4859954816, 9719909632, 19439819264]

約数ペア:

[(1, 19439819264), (2, 9719909632), (4, 4859954816), (8, 2429977408), (16, 1214988704), (31, 627090944), (32, 607494352), (62, 313545472), (64, 303747176), (124, 156772736), (128, 151873588), (248, 78386368), (256, 75936794), (496, 39193184), (512, 37968397), (827, 23506432), (992, 19596592), (1481, 13126144), (1654, 11753216), (1984, 9798296), (2962, 6563072), (3308, 5876608), (3968, 4899148), (5924, 3281536), (6616, 2938304), (7936, 2449574), (11848, 1640768), (13232, 1469152), (15872, 1224787), (23696, 820384), (25637, 758272), (26464, 734576), (45911, 423424), (47392, 410192), (51274, 379136), (52928, 367288), (91822, 211712), (94784, 205096), (102548, 189568), (105856, 183644)]