19888744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5689}}^1$

素因数の和:5737

約数の個数: 32

約数和(自身を含む): 40968000

約数和(自身を除く): 21079256

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 5689, 11378, 22756, 45512, 108091, 130847, 216182, 261694, 432364, 523388, 864728, 1046776, 2486093, 4972186, 9944372, 19888744]

約数ペア:

[(1, 19888744), (2, 9944372), (4, 4972186), (8, 2486093), (19, 1046776), (23, 864728), (38, 523388), (46, 432364), (76, 261694), (92, 216182), (152, 130847), (184, 108091), (437, 45512), (874, 22756), (1748, 11378), (3496, 5689)]