19799604

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{49999}}^1$

素因数の和:50020

約数の個数: 36

約数和(自身を含む): 54600000

約数和(自身を除く): 34800396

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 49999, 99998, 149997, 199996, 299994, 449991, 549989, 599988, 899982, 1099978, 1649967, 1799964, 2199956, 3299934, 4949901, 6599868, 9899802, 19799604]

約数ペア:

[(1, 19799604), (2, 9899802), (3, 6599868), (4, 4949901), (6, 3299934), (9, 2199956), (11, 1799964), (12, 1649967), (18, 1099978), (22, 899982), (33, 599988), (36, 549989), (44, 449991), (66, 299994), (99, 199996), (132, 149997), (198, 99998), (396, 49999)]