19890248001

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11860613}}^1$

素因数の和:11860672

約数の個数: 16

約数和(自身を含む): 29224552896

約数和(自身を除く): 9334304895

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 11860613, 35581839, 154187969, 462563907, 510006359, 1530019077, 6630082667, 19890248001]

約数ペア:

[(1, 19890248001), (3, 6630082667), (13, 1530019077), (39, 510006359), (43, 462563907), (129, 154187969), (559, 35581839), (1677, 11860613)]