19702743

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{1009}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 27536640

約数和(自身を除く): 7833897

約数列:

[1, 3, 23, 69, 283, 849, 1009, 3027, 6509, 19527, 23207, 69621, 285547, 856641, 6567581, 19702743]

約数ペア:

[(1, 19702743), (3, 6567581), (23, 856641), (69, 285547), (283, 69621), (849, 23207), (1009, 19527), (3027, 6509)]