201817996219

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{21372233}}^1$

素因数の和:21372330

約数の個数: 16

約数和(自身を含む): 246208135680

約数和(自身を除く): 44390139461

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 21372233, 149605631, 406072427, 1517428543, 2842506989, 10621999801, 28831142317, 201817996219]

約数ペア:

[(1, 201817996219), (7, 28831142317), (19, 10621999801), (71, 2842506989), (133, 1517428543), (497, 406072427), (1349, 149605631), (9443, 21372233)]