19596213

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 35433216

約数和(自身を除く): 15837003

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 71, 91, 117, 213, 273, 337, 497, 639, 819, 923, 1011, 1491, 2359, 2769, 3033, 4381, 4473, 6461, 7077, 8307, 13143, 19383, 21231, 23927, 30667, 39429, 58149, 71781, 92001, 167489, 215343, 276003, 311051, 502467, 933153, 1507401, 2177357, 2799459, 6532071, 19596213]

約数ペア:

[(1, 19596213), (3, 6532071), (7, 2799459), (9, 2177357), (13, 1507401), (21, 933153), (39, 502467), (63, 311051), (71, 276003), (91, 215343), (117, 167489), (213, 92001), (273, 71781), (337, 58149), (497, 39429), (639, 30667), (819, 23927), (923, 21231), (1011, 19383), (1491, 13143), (2359, 8307), (2769, 7077), (3033, 6461), (4381, 4473)]