19989582

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{77479}}^1$

素因数の和:77527

約数の個数: 16

約数和(自身を含む): 40909440

約数和(自身を除く): 20919858

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 77479, 154958, 232437, 464874, 3331597, 6663194, 9994791, 19989582]

約数ペア:

[(1, 19989582), (2, 9994791), (3, 6663194), (6, 3331597), (43, 464874), (86, 232437), (129, 154958), (258, 77479)]