31018678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{1009}}^1$

素因数の和:1839

約数の個数: 16

約数和(自身を含む): 49086000

約数和(自身を除く): 18067322

約数列:

[1, 2, 19, 38, 809, 1009, 1618, 2018, 15371, 19171, 30742, 38342, 816281, 1632562, 15509339, 31018678]

約数ペア:

[(1, 31018678), (2, 15509339), (19, 1632562), (38, 816281), (809, 38342), (1009, 30742), (1618, 19171), (2018, 15371)]