18708970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{267271}}^1$

素因数の和:267285

約数の個数: 16

約数和(自身を含む): 38487168

約数和(自身を除く): 19778198

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 267271, 534542, 1336355, 1870897, 2672710, 3741794, 9354485, 18708970]

約数ペア:

[(1, 18708970), (2, 9354485), (5, 3741794), (7, 2672710), (10, 1870897), (14, 1336355), (35, 534542), (70, 267271)]