19391400009

素因数分解:

$3^2\times {\mathrm{4441}}^1\times {\mathrm{485161}}^1$

素因数の和:489608

約数の個数: 12

約数和(自身を含む): 28016164852

約数和(自身を除く): 8624764843

約数列:

[1, 3, 9, 4441, 13323, 39969, 485161, 1455483, 4366449, 2154600001, 6463800003, 19391400009]

約数ペア:

[(1, 19391400009), (3, 6463800003), (9, 2154600001), (4441, 4366449), (13323, 1455483), (39969, 485161)]