19876836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5503}}^1$

素因数の和:5560

約数の個数: 48

約数和(自身を含む): 54247424

約数和(自身を除く): 34370588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5503, 11006, 16509, 22012, 33018, 38521, 66036, 77042, 115563, 154084, 231126, 236629, 462252, 473258, 709887, 946516, 1419774, 1656403, 2839548, 3312806, 4969209, 6625612, 9938418, 19876836]

約数ペア:

[(1, 19876836), (2, 9938418), (3, 6625612), (4, 4969209), (6, 3312806), (7, 2839548), (12, 1656403), (14, 1419774), (21, 946516), (28, 709887), (42, 473258), (43, 462252), (84, 236629), (86, 231126), (129, 154084), (172, 115563), (258, 77042), (301, 66036), (516, 38521), (602, 33018), (903, 22012), (1204, 16509), (1806, 11006), (3612, 5503)]