19989663

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{941}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 27325536

約数和(自身を除く): 7335873

約数列:

[1, 3, 73, 97, 219, 291, 941, 2823, 7081, 21243, 68693, 91277, 206079, 273831, 6663221, 19989663]

約数ペア:

[(1, 19989663), (3, 6663221), (73, 273831), (97, 206079), (219, 91277), (291, 68693), (941, 21243), (2823, 7081)]