19686854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1993}}^1$

素因数の和:2455

約数の個数: 16

約数和(自身を含む): 32302800

約数和(自身を除く): 12615946

約数列:

[1, 2, 11, 22, 449, 898, 1993, 3986, 4939, 9878, 21923, 43846, 894857, 1789714, 9843427, 19686854]

約数ペア:

[(1, 19686854), (2, 9843427), (11, 1789714), (22, 894857), (449, 43846), (898, 21923), (1993, 9878), (3986, 4939)]