18708620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133633}}^1$

素因数の和:133649

約数の個数: 24

約数和(自身を含む): 44901024

約数和(自身を除く): 26192404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133633, 267266, 534532, 668165, 935431, 1336330, 1870862, 2672660, 3741724, 4677155, 9354310, 18708620]

約数ペア:

[(1, 18708620), (2, 9354310), (4, 4677155), (5, 3741724), (7, 2672660), (10, 1870862), (14, 1336330), (20, 935431), (28, 668165), (35, 534532), (70, 267266), (140, 133633)]