18820751

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 20901888

約数和(自身を除く): 2081137

約数列:

[1, 17, 31, 71, 503, 527, 1207, 2201, 8551, 15593, 35713, 37417, 265081, 607121, 1107103, 18820751]

約数ペア:

[(1, 18820751), (17, 1107103), (31, 607121), (71, 265081), (503, 37417), (527, 35713), (1207, 15593), (2201, 8551)]