18448892

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 42134400

約数和(自身を除く): 23685508

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 154, 172, 196, 199, 301, 308, 398, 473, 539, 602, 796, 946, 1078, 1204, 1393, 1892, 2107, 2156, 2189, 2786, 3311, 4214, 4378, 5572, 6622, 8428, 8557, 8756, 9751, 13244, 15323, 17114, 19502, 23177, 30646, 34228, 39004, 46354, 59899, 61292, 92708, 94127, 107261, 119798, 188254, 214522, 239596, 376508, 419293, 429044, 658889, 838586, 1317778, 1677172, 2635556, 4612223, 9224446, 18448892]

約数ペア:

[(1, 18448892), (2, 9224446), (4, 4612223), (7, 2635556), (11, 1677172), (14, 1317778), (22, 838586), (28, 658889), (43, 429044), (44, 419293), (49, 376508), (77, 239596), (86, 214522), (98, 188254), (154, 119798), (172, 107261), (196, 94127), (199, 92708), (301, 61292), (308, 59899), (398, 46354), (473, 39004), (539, 34228), (602, 30646), (796, 23177), (946, 19502), (1078, 17114), (1204, 15323), (1393, 13244), (1892, 9751), (2107, 8756), (2156, 8557), (2189, 8428), (2786, 6622), (3311, 5572), (4214, 4378)]