19902378

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{77141}}^1$

素因数の和:77189

約数の個数: 16

約数和(自身を含む): 40730976

約数和(自身を除く): 20828598

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 77141, 154282, 231423, 462846, 3317063, 6634126, 9951189, 19902378]

約数ペア:

[(1, 19902378), (2, 9951189), (3, 6634126), (6, 3317063), (43, 462846), (86, 231423), (129, 154282), (258, 77141)]