19993136553

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{434813}}^1$

素因数の和:434966

約数の個数: 32

約数和(自身を含む): 32141450880

約数和(自身を除く): 12148314327

約数列:

[1, 3, 9, 13, 27, 39, 117, 131, 351, 393, 1179, 1703, 3537, 5109, 15327, 45981, 434813, 1304439, 3913317, 5652569, 11739951, 16957707, 50873121, 56960503, 152619363, 170881509, 512644527, 740486539, 1537933581, 2221459617, 6664378851, 19993136553]

約数ペア:

[(1, 19993136553), (3, 6664378851), (9, 2221459617), (13, 1537933581), (27, 740486539), (39, 512644527), (117, 170881509), (131, 152619363), (351, 56960503), (393, 50873121), (1179, 16957707), (1703, 11739951), (3537, 5652569), (5109, 3913317), (15327, 1304439), (45981, 434813)]