19773873

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 35568000

約数和(自身を除く): 15794127

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 111, 119, 153, 259, 333, 357, 499, 629, 777, 1071, 1497, 1887, 2331, 3493, 4403, 4491, 5661, 8483, 10479, 13209, 18463, 25449, 31437, 39627, 55389, 59381, 76347, 129241, 166167, 178143, 313871, 387723, 534429, 941613, 1163169, 2197097, 2824839, 6591291, 19773873]

約数ペア:

[(1, 19773873), (3, 6591291), (7, 2824839), (9, 2197097), (17, 1163169), (21, 941613), (37, 534429), (51, 387723), (63, 313871), (111, 178143), (119, 166167), (153, 129241), (259, 76347), (333, 59381), (357, 55389), (499, 39627), (629, 31437), (777, 25449), (1071, 18463), (1497, 13209), (1887, 10479), (2331, 8483), (3493, 5661), (4403, 4491)]