19787493

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:214

約数の個数: 36

約数和(自身を含む): 30809184

約数和(自身を除く): 11021691

約数列:

[1, 3, 11, 19, 33, 57, 121, 151, 209, 361, 363, 453, 627, 1083, 1661, 2299, 2869, 3971, 4983, 6897, 8607, 11913, 18271, 31559, 43681, 54511, 54813, 94677, 131043, 163533, 347149, 599621, 1041447, 1798863, 6595831, 19787493]

約数ペア:

[(1, 19787493), (3, 6595831), (11, 1798863), (19, 1041447), (33, 599621), (57, 347149), (121, 163533), (151, 131043), (209, 94677), (361, 54813), (363, 54511), (453, 43681), (627, 31559), (1083, 18271), (1661, 11913), (2299, 8607), (2869, 6897), (3971, 4983)]