18576460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{132689}}^1$

素因数の和:132705

約数の個数: 24

約数和(自身を含む): 44583840

約数和(自身を除く): 26007380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 132689, 265378, 530756, 663445, 928823, 1326890, 1857646, 2653780, 3715292, 4644115, 9288230, 18576460]

約数ペア:

[(1, 18576460), (2, 9288230), (4, 4644115), (5, 3715292), (7, 2653780), (10, 1857646), (14, 1326890), (20, 928823), (28, 663445), (35, 530756), (70, 265378), (140, 132689)]