18133640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64763}}^1$

素因数の和:64781

約数の個数: 32

約数和(自身を含む): 46630080

約数和(自身を除く): 28496440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64763, 129526, 259052, 323815, 453341, 518104, 647630, 906682, 1295260, 1813364, 2266705, 2590520, 3626728, 4533410, 9066820, 18133640]

約数ペア:

[(1, 18133640), (2, 9066820), (4, 4533410), (5, 3626728), (7, 2590520), (8, 2266705), (10, 1813364), (14, 1295260), (20, 906682), (28, 647630), (35, 518104), (40, 453341), (56, 323815), (70, 259052), (140, 129526), (280, 64763)]