18431387

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 21208320

約数和(自身を除く): 2776933

約数列:

[1, 13, 19, 71, 247, 923, 1051, 1349, 13663, 17537, 19969, 74621, 259597, 970073, 1417799, 18431387]

約数ペア:

[(1, 18431387), (13, 1417799), (19, 970073), (71, 259597), (247, 74621), (923, 19969), (1051, 17537), (1349, 13663)]