19109817

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{5573}}^1$

素因数の和:5709

約数の個数: 16

約数和(自身を含む): 28538880

約数和(自身を除く): 9429063

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 5573, 16719, 50157, 150471, 707771, 2123313, 6369939, 19109817]

約数ペア:

[(1, 19109817), (3, 6369939), (9, 2123313), (27, 707771), (127, 150471), (381, 50157), (1143, 16719), (3429, 5573)]