17992660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128519}}^1$

素因数の和:128535

約数の個数: 24

約数和(自身を含む): 43182720

約数和(自身を除く): 25190060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128519, 257038, 514076, 642595, 899633, 1285190, 1799266, 2570380, 3598532, 4498165, 8996330, 17992660]

約数ペア:

[(1, 17992660), (2, 8996330), (4, 4498165), (5, 3598532), (7, 2570380), (10, 1799266), (14, 1285190), (20, 899633), (28, 642595), (35, 514076), (70, 257038), (140, 128519)]