20180831

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 23331840

約数和(自身を除く): 3151009

約数列:

[1, 11, 19, 209, 223, 433, 2453, 4237, 4763, 8227, 46607, 90497, 96559, 1062149, 1834621, 20180831]

約数ペア:

[(1, 20180831), (11, 1834621), (19, 1062149), (209, 96559), (223, 90497), (433, 46607), (2453, 8227), (4237, 4763)]