18519319

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10711}}^1$

素因数の和:10750

約数の個数: 16

約数和(自身を含む): 23994880

約数和(自身を除く): 5475561

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 10711, 74977, 139243, 203509, 974701, 1424563, 2645617, 18519319]

約数ペア:

[(1, 18519319), (7, 2645617), (13, 1424563), (19, 974701), (91, 203509), (133, 139243), (247, 74977), (1729, 10711)]