18873998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{65993}}^1$

素因数の和:66019

約数の個数: 16

約数和(自身を含む): 33260976

約数和(自身を除く): 14386978

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 65993, 131986, 725923, 857909, 1451846, 1715818, 9436999, 18873998]

約数ペア:

[(1, 18873998), (2, 9436999), (11, 1715818), (13, 1451846), (22, 857909), (26, 725923), (143, 131986), (286, 65993)]