19385090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1066

約数の個数: 32

約数和(自身を含む): 36858240

約数和(自身を除く): 17473150

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 947, 1894, 2047, 4094, 4735, 9470, 10235, 20470, 21781, 43562, 84283, 108905, 168566, 217810, 421415, 842830, 1938509, 3877018, 9692545, 19385090]

約数ペア:

[(1, 19385090), (2, 9692545), (5, 3877018), (10, 1938509), (23, 842830), (46, 421415), (89, 217810), (115, 168566), (178, 108905), (230, 84283), (445, 43562), (890, 21781), (947, 20470), (1894, 10235), (2047, 9470), (4094, 4735)]