19629512

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4937}}^1$

素因数の和:5021

約数の個数: 32

約数和(自身を含む): 42664320

約数和(自身を除く): 23034808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 4937, 9874, 19748, 34559, 39496, 69118, 138236, 276472, 350527, 701054, 1402108, 2453689, 2804216, 4907378, 9814756, 19629512]

約数ペア:

[(1, 19629512), (2, 9814756), (4, 4907378), (7, 2804216), (8, 2453689), (14, 1402108), (28, 701054), (56, 350527), (71, 276472), (142, 138236), (284, 69118), (497, 39496), (568, 34559), (994, 19748), (1988, 9874), (3976, 4937)]