19990146

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2179}}^1$

素因数の和:2334

約数の個数: 32

約数和(自身を含む): 43948800

約数和(自身を除く): 23958654

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 139, 278, 417, 834, 1529, 2179, 3058, 4358, 4587, 6537, 9174, 13074, 23969, 47938, 71907, 143814, 302881, 605762, 908643, 1817286, 3331691, 6663382, 9995073, 19990146]

約数ペア:

[(1, 19990146), (2, 9995073), (3, 6663382), (6, 3331691), (11, 1817286), (22, 908643), (33, 605762), (66, 302881), (139, 143814), (278, 71907), (417, 47938), (834, 23969), (1529, 13074), (2179, 9174), (3058, 6537), (4358, 4587)]