18963177

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5237}}^1$

素因数の和:5328

約数の個数: 16

約数和(自身を含む): 27153792

約数和(自身を除く): 8190615

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5237, 15711, 89029, 267087, 371827, 1115481, 6321059, 18963177]

約数ペア:

[(1, 18963177), (3, 6321059), (17, 1115481), (51, 371827), (71, 267087), (213, 89029), (1207, 15711), (3621, 5237)]