19830741

素因数分解:

$3^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 30927744

約数和(自身を除く): 11097003

約数列:

[1, 3, 7, 21, 49, 147, 313, 431, 939, 1293, 2191, 3017, 6573, 9051, 15337, 21119, 46011, 63357, 134903, 404709, 944321, 2832963, 6610247, 19830741]

約数ペア:

[(1, 19830741), (3, 6610247), (7, 2832963), (21, 944321), (49, 404709), (147, 134903), (313, 63357), (431, 46011), (939, 21119), (1293, 15337), (2191, 9051), (3017, 6573)]