19818120638

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{78024097}}^1$

素因数の和:78024226

約数の個数: 8

約数和(自身を含む): 29961253632

約数和(自身を除く): 10143132994

約数列:

[1, 2, 127, 254, 78024097, 156048194, 9909060319, 19818120638]

約数ペア:

[(1, 19818120638), (2, 9909060319), (127, 156048194), (254, 78024097)]