19428948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 63038976

約数和(自身を除く): 43610028

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 43, 44, 63, 66, 77, 84, 86, 99, 126, 129, 132, 154, 163, 172, 198, 231, 252, 258, 301, 308, 326, 387, 396, 462, 473, 489, 516, 602, 652, 693, 774, 903, 924, 946, 978, 1141, 1204, 1386, 1419, 1467, 1548, 1793, 1806, 1892, 1956, 2282, 2709, 2772, 2838, 2934, 3311, 3423, 3586, 3612, 4257, 4564, 5379, 5418, 5676, 5868, 6622, 6846, 7009, 7172, 8514, 9933, 10269, 10758, 10836, 12551, 13244, 13692, 14018, 16137, 17028, 19866, 20538, 21027, 21516, 25102, 28036, 29799, 32274, 37653, 39732, 41076, 42054, 49063, 50204, 59598, 63081, 64548, 75306, 77099, 84108, 98126, 112959, 119196, 126162, 147189, 150612, 154198, 196252, 225918, 231297, 252324, 294378, 308396, 441567, 451836, 462594, 539693, 588756, 693891, 883134, 925188, 1079386, 1387782, 1619079, 1766268, 2158772, 2775564, 3238158, 4857237, 6476316, 9714474, 19428948]

約数ペア:

[(1, 19428948), (2, 9714474), (3, 6476316), (4, 4857237), (6, 3238158), (7, 2775564), (9, 2158772), (11, 1766268), (12, 1619079), (14, 1387782), (18, 1079386), (21, 925188), (22, 883134), (28, 693891), (33, 588756), (36, 539693), (42, 462594), (43, 451836), (44, 441567), (63, 308396), (66, 294378), (77, 252324), (84, 231297), (86, 225918), (99, 196252), (126, 154198), (129, 150612), (132, 147189), (154, 126162), (163, 119196), (172, 112959), (198, 98126), (231, 84108), (252, 77099), (258, 75306), (301, 64548), (308, 63081), (326, 59598), (387, 50204), (396, 49063), (462, 42054), (473, 41076), (489, 39732), (516, 37653), (602, 32274), (652, 29799), (693, 28036), (774, 25102), (903, 21516), (924, 21027), (946, 20538), (978, 19866), (1141, 17028), (1204, 16137), (1386, 14018), (1419, 13692), (1467, 13244), (1548, 12551), (1793, 10836), (1806, 10758), (1892, 10269), (1956, 9933), (2282, 8514), (2709, 7172), (2772, 7009), (2838, 6846), (2934, 6622), (3311, 5868), (3423, 5676), (3586, 5418), (3612, 5379), (4257, 4564)]