19448271

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 29952000

約数和(自身を除く): 10503729

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 1999, 3243, 5997, 9729, 17991, 45977, 93953, 137931, 281859, 413793, 845577, 2160919, 6482757, 19448271]

約数ペア:

[(1, 19448271), (3, 6482757), (9, 2160919), (23, 845577), (47, 413793), (69, 281859), (141, 137931), (207, 93953), (423, 45977), (1081, 17991), (1999, 9729), (3243, 5997)]