18568432

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 37269936

約数和(自身を除く): 18701504

約数列:

[1, 2, 4, 8, 16, 43, 86, 137, 172, 197, 274, 344, 394, 548, 688, 788, 1096, 1576, 2192, 3152, 5891, 8471, 11782, 16942, 23564, 26989, 33884, 47128, 53978, 67768, 94256, 107956, 135536, 215912, 431824, 1160527, 2321054, 4642108, 9284216, 18568432]

約数ペア:

[(1, 18568432), (2, 9284216), (4, 4642108), (8, 2321054), (16, 1160527), (43, 431824), (86, 215912), (137, 135536), (172, 107956), (197, 94256), (274, 67768), (344, 53978), (394, 47128), (548, 33884), (688, 26989), (788, 23564), (1096, 16942), (1576, 11782), (2192, 8471), (3152, 5891)]