19168669

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 21555072

約数和(自身を除く): 2386403

約数列:

[1, 13, 43, 53, 559, 647, 689, 2279, 8411, 27821, 29627, 34291, 361673, 445783, 1474513, 19168669]

約数ペア:

[(1, 19168669), (13, 1474513), (43, 445783), (53, 361673), (559, 34291), (647, 29627), (689, 27821), (2279, 8411)]