18615380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{132967}}^1$

素因数の和:132983

約数の個数: 24

約数和(自身を含む): 44677248

約数和(自身を除く): 26061868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 132967, 265934, 531868, 664835, 930769, 1329670, 1861538, 2659340, 3723076, 4653845, 9307690, 18615380]

約数ペア:

[(1, 18615380), (2, 9307690), (4, 4653845), (5, 3723076), (7, 2659340), (10, 1861538), (14, 1329670), (20, 930769), (28, 664835), (35, 531868), (70, 265934), (140, 132967)]