19640954

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:925

約数の個数: 16

約数和(自身を含む): 30028320

約数和(自身を除く): 10387366

約数列:

[1, 2, 83, 166, 179, 358, 661, 1322, 14857, 29714, 54863, 109726, 118319, 236638, 9820477, 19640954]

約数ペア:

[(1, 19640954), (2, 9820477), (83, 236638), (166, 118319), (179, 109726), (358, 54863), (661, 29714), (1322, 14857)]