19788184

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{190271}}^1$

素因数の和:190290

約数の個数: 16

約数和(自身を含む): 39957120

約数和(自身を除く): 20168936

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 190271, 380542, 761084, 1522168, 2473523, 4947046, 9894092, 19788184]

約数ペア:

[(1, 19788184), (2, 9894092), (4, 4947046), (8, 2473523), (13, 1522168), (26, 761084), (52, 380542), (104, 190271)]