19943354

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{4801}}^1$

素因数の和:4901

約数の個数: 16

約数和(自身を含む): 31347456

約数和(自身を除く): 11404102

約数列:

[1, 2, 31, 62, 67, 134, 2077, 4154, 4801, 9602, 148831, 297662, 321667, 643334, 9971677, 19943354]

約数ペア:

[(1, 19943354), (2, 9971677), (31, 643334), (62, 321667), (67, 297662), (134, 148831), (2077, 9602), (4154, 4801)]