18411998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19463}}^1$

素因数の和:19519

約数の個数: 16

約数和(自身を含む): 30830976

約数和(自身を除く): 12418978

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19463, 38926, 214093, 428186, 836909, 1673818, 9205999, 18411998]

約数ペア:

[(1, 18411998), (2, 9205999), (11, 1673818), (22, 836909), (43, 428186), (86, 214093), (473, 38926), (946, 19463)]