19709984

素因数分解:

$2^5\times 7^1\times {\mathrm{87991}}^1$

素因数の和:88008

約数の個数: 24

約数和(自身を含む): 44347968

約数和(自身を除く): 24637984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 87991, 175982, 351964, 615937, 703928, 1231874, 1407856, 2463748, 2815712, 4927496, 9854992, 19709984]

約数ペア:

[(1, 19709984), (2, 9854992), (4, 4927496), (7, 2815712), (8, 2463748), (14, 1407856), (16, 1231874), (28, 703928), (32, 615937), (56, 351964), (112, 175982), (224, 87991)]