19995426

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{100987}}^1$

素因数の和:101006

約数の個数: 24

約数和(自身を含む): 47262384

約数和(自身を除く): 27266958

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 100987, 201974, 302961, 605922, 908883, 1110857, 1817766, 2221714, 3332571, 6665142, 9997713, 19995426]

約数ペア:

[(1, 19995426), (2, 9997713), (3, 6665142), (6, 3332571), (9, 2221714), (11, 1817766), (18, 1110857), (22, 908883), (33, 605922), (66, 302961), (99, 201974), (198, 100987)]