19710992

素因数分解:

$2^4\times 7^1\times {\mathrm{175991}}^1$

素因数の和:176006

約数の個数: 20

約数和(自身を含む): 43646016

約数和(自身を除く): 23935024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 175991, 351982, 703964, 1231937, 1407928, 2463874, 2815856, 4927748, 9855496, 19710992]

約数ペア:

[(1, 19710992), (2, 9855496), (4, 4927748), (7, 2815856), (8, 2463874), (14, 1407928), (16, 1231937), (28, 703964), (56, 351982), (112, 175991)]