18771564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5197}}^1$

素因数の和:5254

約数の個数: 48

約数和(自身を含む): 51231488

約数和(自身を除く): 32459924

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, 5197, 10394, 15591, 20788, 31182, 36379, 62364, 72758, 109137, 145516, 218274, 223471, 436548, 446942, 670413, 893884, 1340826, 1564297, 2681652, 3128594, 4692891, 6257188, 9385782, 18771564]

約数ペア:

[(1, 18771564), (2, 9385782), (3, 6257188), (4, 4692891), (6, 3128594), (7, 2681652), (12, 1564297), (14, 1340826), (21, 893884), (28, 670413), (42, 446942), (43, 436548), (84, 223471), (86, 218274), (129, 145516), (172, 109137), (258, 72758), (301, 62364), (516, 36379), (602, 31182), (903, 20788), (1204, 15591), (1806, 10394), (3612, 5197)]