18484739

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10691}}^1$

素因数の和:10730

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 5465341

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 10691, 74837, 138983, 203129, 972881, 1421903, 2640677, 18484739]

約数ペア:

[(1, 18484739), (7, 2640677), (13, 1421903), (19, 972881), (91, 203129), (133, 138983), (247, 74837), (1729, 10691)]