19899946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12391}}^1$

素因数の和:12477

約数の個数: 16

約数和(自身を含む): 33012288

約数和(自身を除く): 13112342

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12391, 24782, 136301, 272602, 904543, 1809086, 9949973, 19899946]

約数ペア:

[(1, 19899946), (2, 9949973), (11, 1809086), (22, 904543), (73, 272602), (146, 136301), (803, 24782), (1606, 12391)]