18026288

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 43211520

約数和(自身を除く): 25185232

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 43, 56, 76, 86, 112, 133, 152, 172, 197, 266, 301, 304, 344, 394, 532, 602, 688, 788, 817, 1064, 1204, 1379, 1576, 1634, 2128, 2408, 2758, 3152, 3268, 3743, 4816, 5516, 5719, 6536, 7486, 8471, 11032, 11438, 13072, 14972, 16942, 22064, 22876, 26201, 29944, 33884, 45752, 52402, 59297, 59888, 67768, 91504, 104804, 118594, 135536, 160949, 209608, 237188, 321898, 419216, 474376, 643796, 948752, 1126643, 1287592, 2253286, 2575184, 4506572, 9013144, 18026288]

約数ペア:

[(1, 18026288), (2, 9013144), (4, 4506572), (7, 2575184), (8, 2253286), (14, 1287592), (16, 1126643), (19, 948752), (28, 643796), (38, 474376), (43, 419216), (56, 321898), (76, 237188), (86, 209608), (112, 160949), (133, 135536), (152, 118594), (172, 104804), (197, 91504), (266, 67768), (301, 59888), (304, 59297), (344, 52402), (394, 45752), (532, 33884), (602, 29944), (688, 26201), (788, 22876), (817, 22064), (1064, 16942), (1204, 14972), (1379, 13072), (1576, 11438), (1634, 11032), (2128, 8471), (2408, 7486), (2758, 6536), (3152, 5719), (3268, 5516), (3743, 4816)]