19678317

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5381}}^1$

素因数の和:5460

約数の個数: 16

約数和(自身を含む): 27900288

約数和(自身を除く): 8221971

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5381, 16143, 123763, 285193, 371289, 855579, 6559439, 19678317]

約数ペア:

[(1, 19678317), (3, 6559439), (23, 855579), (53, 371289), (69, 285193), (159, 123763), (1219, 16143), (3657, 5381)]