19250077

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 24736320

約数和(自身を除く): 5486243

約数列:

[1, 7, 11, 53, 77, 89, 371, 583, 623, 979, 2809, 4081, 4717, 6853, 19663, 30899, 33019, 51887, 216293, 250001, 363209, 1750007, 2750011, 19250077]

約数ペア:

[(1, 19250077), (7, 2750011), (11, 1750007), (53, 363209), (77, 250001), (89, 216293), (371, 51887), (583, 33019), (623, 30899), (979, 19663), (2809, 6853), (4081, 4717)]