18377728

素因数分解:

$2^{10}\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 44

約数和(自身を含む): 37288152

約数和(自身を除く): 18910424

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 137, 256, 262, 274, 512, 524, 548, 1024, 1048, 1096, 2096, 2192, 4192, 4384, 8384, 8768, 16768, 17536, 17947, 33536, 35072, 35894, 67072, 70144, 71788, 134144, 140288, 143576, 287152, 574304, 1148608, 2297216, 4594432, 9188864, 18377728]

約数ペア:

[(1, 18377728), (2, 9188864), (4, 4594432), (8, 2297216), (16, 1148608), (32, 574304), (64, 287152), (128, 143576), (131, 140288), (137, 134144), (256, 71788), (262, 70144), (274, 67072), (512, 35894), (524, 35072), (548, 33536), (1024, 17947), (1048, 17536), (1096, 16768), (2096, 8768), (2192, 8384), (4192, 4384)]