19809791397

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1013}}^1\times {\mathrm{3727}}^1$

素因数の和:4810

約数の個数: 48

約数和(自身を含む): 31844337408

約数和(自身を除く): 12034546011

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1013, 1749, 3039, 3727, 5247, 9117, 11143, 11181, 33429, 33543, 40997, 53689, 100287, 122991, 161067, 197531, 368973, 483201, 590579, 592593, 1771737, 1777779, 2172841, 3775451, 5315211, 6518523, 11326353, 19555569, 33979059, 41529961, 124589883, 200098903, 373769649, 600296709, 1800890127, 2201087933, 6603263799, 19809791397]

約数ペア:

[(1, 19809791397), (3, 6603263799), (9, 2201087933), (11, 1800890127), (33, 600296709), (53, 373769649), (99, 200098903), (159, 124589883), (477, 41529961), (583, 33979059), (1013, 19555569), (1749, 11326353), (3039, 6518523), (3727, 5315211), (5247, 3775451), (9117, 2172841), (11143, 1777779), (11181, 1771737), (33429, 592593), (33543, 590579), (40997, 483201), (53689, 368973), (100287, 197531), (122991, 161067)]