18124328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 38016000

約数和(自身を除く): 19891672

約数列:

[1, 2, 4, 8, 19, 38, 43, 47, 59, 76, 86, 94, 118, 152, 172, 188, 236, 344, 376, 472, 817, 893, 1121, 1634, 1786, 2021, 2242, 2537, 2773, 3268, 3572, 4042, 4484, 5074, 5546, 6536, 7144, 8084, 8968, 10148, 11092, 16168, 20296, 22184, 38399, 48203, 52687, 76798, 96406, 105374, 119239, 153596, 192812, 210748, 238478, 307192, 385624, 421496, 476956, 953912, 2265541, 4531082, 9062164, 18124328]

約数ペア:

[(1, 18124328), (2, 9062164), (4, 4531082), (8, 2265541), (19, 953912), (38, 476956), (43, 421496), (47, 385624), (59, 307192), (76, 238478), (86, 210748), (94, 192812), (118, 153596), (152, 119239), (172, 105374), (188, 96406), (236, 76798), (344, 52687), (376, 48203), (472, 38399), (817, 22184), (893, 20296), (1121, 16168), (1634, 11092), (1786, 10148), (2021, 8968), (2242, 8084), (2537, 7144), (2773, 6536), (3268, 5546), (3572, 5074), (4042, 4484)]