18694291

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2269}}^1$

素因数の和:2394

約数の個数: 16

約数和(自身を含む): 23535360

約数和(自身を除く): 4841069

約数列:

[1, 7, 11, 77, 107, 749, 1177, 2269, 8239, 15883, 24959, 174713, 242783, 1699481, 2670613, 18694291]

約数ペア:

[(1, 18694291), (7, 2670613), (11, 1699481), (77, 242783), (107, 174713), (749, 24959), (1177, 15883), (2269, 8239)]