19728744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2731}}^1$

素因数の和:2790

約数の個数: 64

約数和(自身を含む): 57699840

約数和(自身を除く): 37971096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 2731, 3612, 5462, 7224, 8193, 10924, 16386, 19117, 21848, 32772, 38234, 57351, 65544, 76468, 114702, 117433, 152936, 229404, 234866, 352299, 458808, 469732, 704598, 822031, 939464, 1409196, 1644062, 2466093, 2818392, 3288124, 4932186, 6576248, 9864372, 19728744]

約数ペア:

[(1, 19728744), (2, 9864372), (3, 6576248), (4, 4932186), (6, 3288124), (7, 2818392), (8, 2466093), (12, 1644062), (14, 1409196), (21, 939464), (24, 822031), (28, 704598), (42, 469732), (43, 458808), (56, 352299), (84, 234866), (86, 229404), (129, 152936), (168, 117433), (172, 114702), (258, 76468), (301, 65544), (344, 57351), (516, 38234), (602, 32772), (903, 21848), (1032, 19117), (1204, 16386), (1806, 10924), (2408, 8193), (2731, 7224), (3612, 5462)]