19943330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181303}}^1$

素因数の和:181321

約数の個数: 16

約数和(自身を含む): 39161664

約数和(自身を除く): 19218334

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181303, 362606, 906515, 1813030, 1994333, 3988666, 9971665, 19943330]

約数ペア:

[(1, 19943330), (2, 9971665), (5, 3988666), (10, 1994333), (11, 1813030), (22, 906515), (55, 362606), (110, 181303)]