39997278

素因数分解:

$2^1\times 3^2\times {\mathrm{2222071}}^1$

素因数の和:2222079

約数の個数: 12

約数和(自身を含む): 86660808

約数和(自身を除く): 46663530

約数列:

[1, 2, 3, 6, 9, 18, 2222071, 4444142, 6666213, 13332426, 19998639, 39997278]

約数ペア:

[(1, 39997278), (2, 19998639), (3, 13332426), (6, 6666213), (9, 4444142), (18, 2222071)]