19748883

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 35831808

約数和(自身を除く): 16082925

約数列:

[1, 3, 7, 11, 17, 21, 33, 47, 51, 77, 107, 119, 141, 187, 231, 321, 329, 357, 517, 561, 749, 799, 987, 1177, 1309, 1551, 1819, 2247, 2397, 3531, 3619, 3927, 5029, 5457, 5593, 8239, 8789, 10857, 12733, 15087, 16779, 20009, 24717, 26367, 35203, 38199, 55319, 60027, 61523, 85493, 105609, 140063, 165957, 184569, 256479, 387233, 420189, 598451, 940423, 1161699, 1795353, 2821269, 6582961, 19748883]

約数ペア:

[(1, 19748883), (3, 6582961), (7, 2821269), (11, 1795353), (17, 1161699), (21, 940423), (33, 598451), (47, 420189), (51, 387233), (77, 256479), (107, 184569), (119, 165957), (141, 140063), (187, 105609), (231, 85493), (321, 61523), (329, 60027), (357, 55319), (517, 38199), (561, 35203), (749, 26367), (799, 24717), (987, 20009), (1177, 16779), (1309, 15087), (1551, 12733), (1819, 10857), (2247, 8789), (2397, 8239), (3531, 5593), (3619, 5457), (3927, 5029)]