17894660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127819}}^1$

素因数の和:127835

約数の個数: 24

約数和(自身を含む): 42947520

約数和(自身を除く): 25052860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127819, 255638, 511276, 639095, 894733, 1278190, 1789466, 2556380, 3578932, 4473665, 8947330, 17894660]

約数ペア:

[(1, 17894660), (2, 8947330), (4, 4473665), (5, 3578932), (7, 2556380), (10, 1789466), (14, 1278190), (20, 894733), (28, 639095), (35, 511276), (70, 255638), (140, 127819)]