19765581

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1951}}^1$

素因数の和:2272

約数の個数: 16

約数和(自身を含む): 28858368

約数和(自身を除く): 9092787

約数列:

[1, 3, 11, 33, 307, 921, 1951, 3377, 5853, 10131, 21461, 64383, 598957, 1796871, 6588527, 19765581]

約数ペア:

[(1, 19765581), (3, 6588527), (11, 1796871), (33, 598957), (307, 64383), (921, 21461), (1951, 10131), (3377, 5853)]