18920691658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1\times {\mathrm{19183}}^1$

素因数の和:19722

約数の個数: 32

約数和(自身を含む): 31326704640

約数和(自身を除く): 12406012982

約数列:

[1, 2, 11, 22, 107, 214, 419, 838, 1177, 2354, 4609, 9218, 19183, 38366, 44833, 89666, 211013, 422026, 493163, 986326, 2052581, 4105162, 8037677, 16075354, 22578391, 45156782, 88414447, 176828894, 860031439, 1720062878, 9460345829, 18920691658]

約数ペア:

[(1, 18920691658), (2, 9460345829), (11, 1720062878), (22, 860031439), (107, 176828894), (214, 88414447), (419, 45156782), (838, 22578391), (1177, 16075354), (2354, 8037677), (4609, 4105162), (9218, 2052581), (19183, 986326), (38366, 493163), (44833, 422026), (89666, 211013)]