18774189

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9613}}^1$

素因数の和:9657

約数の個数: 24

約数和(自身を含む): 31995392

約数和(自身を除く): 13221203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9613, 28839, 67291, 86517, 201873, 298003, 605619, 894009, 2086021, 2682027, 6258063, 18774189]

約数ペア:

[(1, 18774189), (3, 6258063), (7, 2682027), (9, 2086021), (21, 894009), (31, 605619), (63, 298003), (93, 201873), (217, 86517), (279, 67291), (651, 28839), (1953, 9613)]