19886391

素因数分解:

$3^8\times 7^1\times {\mathrm{433}}^1$

素因数の和:464

約数の個数: 36

約数和(自身を含む): 34167952

約数和(自身を除く): 14281561

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 433, 567, 729, 1299, 1701, 2187, 3031, 3897, 5103, 6561, 9093, 11691, 15309, 27279, 35073, 45927, 81837, 105219, 245511, 315657, 736533, 946971, 2209599, 2840913, 6628797, 19886391]

約数ペア:

[(1, 19886391), (3, 6628797), (7, 2840913), (9, 2209599), (21, 946971), (27, 736533), (63, 315657), (81, 245511), (189, 105219), (243, 81837), (433, 45927), (567, 35073), (729, 27279), (1299, 15309), (1701, 11691), (2187, 9093), (3031, 6561), (3897, 5103)]