19997802

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{100999}}^1$

素因数の和:101018

約数の個数: 24

約数和(自身を含む): 47268000

約数和(自身を除く): 27270198

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 100999, 201998, 302997, 605994, 908991, 1110989, 1817982, 2221978, 3332967, 6665934, 9998901, 19997802]

約数ペア:

[(1, 19997802), (2, 9998901), (3, 6665934), (6, 3332967), (9, 2221978), (11, 1817982), (18, 1110989), (22, 908991), (33, 605994), (66, 302997), (99, 201998), (198, 100999)]