19995968

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{3221}}^1$

素因数の和:3330

約数の個数: 28

約数和(自身を含む): 40101012

約数和(自身を除く): 20105044

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 3221, 6208, 6442, 12884, 25768, 51536, 103072, 206144, 312437, 624874, 1249748, 2499496, 4998992, 9997984, 19995968]

約数ペア:

[(1, 19995968), (2, 9997984), (4, 4998992), (8, 2499496), (16, 1249748), (32, 624874), (64, 312437), (97, 206144), (194, 103072), (388, 51536), (776, 25768), (1552, 12884), (3104, 6442), (3221, 6208)]