18965380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135467}}^1$

素因数の和:135483

約数の個数: 24

約数和(自身を含む): 45517248

約数和(自身を除く): 26551868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135467, 270934, 541868, 677335, 948269, 1354670, 1896538, 2709340, 3793076, 4741345, 9482690, 18965380]

約数ペア:

[(1, 18965380), (2, 9482690), (4, 4741345), (5, 3793076), (7, 2709340), (10, 1896538), (14, 1354670), (20, 948269), (28, 677335), (35, 541868), (70, 270934), (140, 135467)]