18326944

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 38918880

約数和(自身を除く): 20591936

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 701, 817, 1376, 1402, 1634, 2804, 3268, 5608, 6536, 11216, 13072, 13319, 22432, 26144, 26638, 30143, 53276, 60286, 106552, 120572, 213104, 241144, 426208, 482288, 572717, 964576, 1145434, 2290868, 4581736, 9163472, 18326944]

約数ペア:

[(1, 18326944), (2, 9163472), (4, 4581736), (8, 2290868), (16, 1145434), (19, 964576), (32, 572717), (38, 482288), (43, 426208), (76, 241144), (86, 213104), (152, 120572), (172, 106552), (304, 60286), (344, 53276), (608, 30143), (688, 26638), (701, 26144), (817, 22432), (1376, 13319), (1402, 13072), (1634, 11216), (2804, 6536), (3268, 5608)]