2019490821

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 3061187584

約数和(自身を除く): 1041696763

約数列:

[1, 3, 9, 37, 97, 103, 111, 291, 309, 333, 607, 873, 927, 1821, 3589, 3811, 5463, 9991, 10767, 11433, 22459, 29973, 32301, 34299, 58879, 62521, 67377, 89919, 176637, 187563, 202131, 369667, 529911, 562689, 1109001, 2178523, 2313277, 3327003, 6064537, 6535569, 6939831, 18193611, 19606707, 20819493, 54580833, 224387869, 673163607, 2019490821]

約数ペア:

[(1, 2019490821), (3, 673163607), (9, 224387869), (37, 54580833), (97, 20819493), (103, 19606707), (111, 18193611), (291, 6939831), (309, 6535569), (333, 6064537), (607, 3327003), (873, 2313277), (927, 2178523), (1821, 1109001), (3589, 562689), (3811, 529911), (5463, 369667), (9991, 202131), (10767, 187563), (11433, 176637), (22459, 89919), (29973, 67377), (32301, 62521), (34299, 58879)]