19981443

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{10589}}^1$

素因数の和:10646

約数の個数: 16

約数和(自身を含む): 28974240

約数和(自身を除く): 8992797

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 10589, 31767, 180013, 391793, 540039, 1175379, 6660481, 19981443]

約数ペア:

[(1, 19981443), (3, 6660481), (17, 1175379), (37, 540039), (51, 391793), (111, 180013), (629, 31767), (1887, 10589)]