19250385

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2381}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 39102912

約数和(自身を除く): 19852527

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2381, 2695, 7143, 8085, 11905, 16667, 26191, 35715, 50001, 78573, 83335, 116669, 130955, 183337, 250005, 350007, 392865, 550011, 583345, 916685, 1283359, 1750035, 2750055, 3850077, 6416795, 19250385]

約数ペア:

[(1, 19250385), (3, 6416795), (5, 3850077), (7, 2750055), (11, 1750035), (15, 1283359), (21, 916685), (33, 583345), (35, 550011), (49, 392865), (55, 350007), (77, 250005), (105, 183337), (147, 130955), (165, 116669), (231, 83335), (245, 78573), (385, 50001), (539, 35715), (735, 26191), (1155, 16667), (1617, 11905), (2381, 8085), (2695, 7143)]