18914392

素因数分解:

$2^3\times 7^3\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 42408000

約数和(自身を除く): 23493608

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 61, 98, 113, 122, 196, 226, 244, 343, 392, 427, 452, 488, 686, 791, 854, 904, 1372, 1582, 1708, 2744, 2989, 3164, 3416, 5537, 5978, 6328, 6893, 11074, 11956, 13786, 20923, 22148, 23912, 27572, 38759, 41846, 44296, 48251, 55144, 77518, 83692, 96502, 155036, 167384, 193004, 310072, 337757, 386008, 675514, 1351028, 2364299, 2702056, 4728598, 9457196, 18914392]

約数ペア:

[(1, 18914392), (2, 9457196), (4, 4728598), (7, 2702056), (8, 2364299), (14, 1351028), (28, 675514), (49, 386008), (56, 337757), (61, 310072), (98, 193004), (113, 167384), (122, 155036), (196, 96502), (226, 83692), (244, 77518), (343, 55144), (392, 48251), (427, 44296), (452, 41846), (488, 38759), (686, 27572), (791, 23912), (854, 22148), (904, 20923), (1372, 13786), (1582, 11956), (1708, 11074), (2744, 6893), (2989, 6328), (3164, 5978), (3416, 5537)]