19968738

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{144701}}^1$

素因数の和:144729

約数の個数: 16

約数和(自身を含む): 41674176

約数和(自身を除く): 21705438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 144701, 289402, 434103, 868206, 3328123, 6656246, 9984369, 19968738]

約数ペア:

[(1, 19968738), (2, 9984369), (3, 6656246), (6, 3328123), (23, 868206), (46, 434103), (69, 289402), (138, 144701)]