18537260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{132409}}^1$

素因数の和:132425

約数の個数: 24

約数和(自身を含む): 44489760

約数和(自身を除く): 25952500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 132409, 264818, 529636, 662045, 926863, 1324090, 1853726, 2648180, 3707452, 4634315, 9268630, 18537260]

約数ペア:

[(1, 18537260), (2, 9268630), (4, 4634315), (5, 3707452), (7, 2648180), (10, 1853726), (14, 1324090), (20, 926863), (28, 662045), (35, 529636), (70, 264818), (140, 132409)]