20182953

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 33386496

約数和(自身を除く): 13203543

約数列:

[1, 3, 7, 21, 31, 43, 49, 93, 103, 129, 147, 217, 301, 309, 651, 721, 903, 1333, 1519, 2107, 2163, 3193, 3999, 4429, 4557, 5047, 6321, 9331, 9579, 13287, 15141, 22351, 27993, 31003, 65317, 67053, 93009, 137299, 156457, 195951, 217021, 411897, 469371, 651063, 961093, 2883279, 6727651, 20182953]

約数ペア:

[(1, 20182953), (3, 6727651), (7, 2883279), (21, 961093), (31, 651063), (43, 469371), (49, 411897), (93, 217021), (103, 195951), (129, 156457), (147, 137299), (217, 93009), (301, 67053), (309, 65317), (651, 31003), (721, 27993), (903, 22351), (1333, 15141), (1519, 13287), (2107, 9579), (2163, 9331), (3193, 6321), (3999, 5047), (4429, 4557)]