18402241

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 22926240

約数和(自身を除く): 4523999

約数列:

[1, 11, 13, 19, 143, 169, 209, 247, 521, 1859, 2717, 3211, 5731, 6773, 9899, 35321, 74503, 88049, 108889, 128687, 968539, 1415557, 1672931, 18402241]

約数ペア:

[(1, 18402241), (11, 1672931), (13, 1415557), (19, 968539), (143, 128687), (169, 108889), (209, 88049), (247, 74503), (521, 35321), (1859, 9899), (2717, 6773), (3211, 5731)]