31990414

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20533}}^1$

素因数の和:20595

約数の個数: 16

約数和(自身を含む): 51745680

約数和(自身を除く): 19755266

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 20533, 41066, 390127, 780254, 841853, 1683706, 15995207, 31990414]

約数ペア:

[(1, 31990414), (2, 15995207), (19, 1683706), (38, 841853), (41, 780254), (82, 390127), (779, 41066), (1558, 20533)]