19857351

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1759}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 7514169

約数列:

[1, 3, 53, 71, 159, 213, 1759, 3763, 5277, 11289, 93227, 124889, 279681, 374667, 6619117, 19857351]

約数ペア:

[(1, 19857351), (3, 6619117), (53, 374667), (71, 279681), (159, 124889), (213, 93227), (1759, 11289), (3763, 5277)]