18955569

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 25724160

約数和(自身を除く): 6768591

約数列:

[1, 3, 131, 139, 347, 393, 417, 1041, 18209, 45457, 48233, 54627, 136371, 144699, 6318523, 18955569]

約数ペア:

[(1, 18955569), (3, 6318523), (131, 144699), (139, 136371), (347, 54627), (393, 48233), (417, 45457), (1041, 18209)]