18798049

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 20664000

約数和(自身を除く): 1865951

約数列:

[1, 19, 41, 59, 409, 779, 1121, 2419, 7771, 16769, 24131, 45961, 318611, 458489, 989371, 18798049]

約数ペア:

[(1, 18798049), (19, 989371), (41, 458489), (59, 318611), (409, 45961), (779, 24131), (1121, 16769), (2419, 7771)]