18770696

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4721}}^1$

素因数の和:4805

約数の個数: 32

約数和(自身を含む): 40798080

約数和(自身を除く): 22027384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 4721, 9442, 18884, 33047, 37768, 66094, 132188, 264376, 335191, 670382, 1340764, 2346337, 2681528, 4692674, 9385348, 18770696]

約数ペア:

[(1, 18770696), (2, 9385348), (4, 4692674), (7, 2681528), (8, 2346337), (14, 1340764), (28, 670382), (56, 335191), (71, 264376), (142, 132188), (284, 66094), (497, 37768), (568, 33047), (994, 18884), (1988, 9442), (3976, 4721)]