19774592

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 42595200

約数和(自身を除く): 22820608

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 152, 173, 188, 304, 346, 376, 608, 692, 752, 893, 1216, 1384, 1504, 1786, 2432, 2768, 3008, 3287, 3572, 5536, 6016, 6574, 7144, 8131, 11072, 13148, 14288, 16262, 22144, 26296, 28576, 32524, 52592, 57152, 65048, 105184, 114304, 130096, 154489, 210368, 260192, 308978, 420736, 520384, 617956, 1040768, 1235912, 2471824, 4943648, 9887296, 19774592]

約数ペア:

[(1, 19774592), (2, 9887296), (4, 4943648), (8, 2471824), (16, 1235912), (19, 1040768), (32, 617956), (38, 520384), (47, 420736), (64, 308978), (76, 260192), (94, 210368), (128, 154489), (152, 130096), (173, 114304), (188, 105184), (304, 65048), (346, 57152), (376, 52592), (608, 32524), (692, 28576), (752, 26296), (893, 22144), (1216, 16262), (1384, 14288), (1504, 13148), (1786, 11072), (2432, 8131), (2768, 7144), (3008, 6574), (3287, 6016), (3572, 5536)]