19838007

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2441}}^1$

素因数の和:2500

約数の個数: 32

約数和(自身を含む): 34383360

約数和(自身を除く): 14545353

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2441, 2709, 7323, 8127, 17087, 21969, 51261, 65907, 104963, 153783, 314889, 461349, 734741, 944667, 2204223, 2834001, 6612669, 19838007]

約数ペア:

[(1, 19838007), (3, 6612669), (7, 2834001), (9, 2204223), (21, 944667), (27, 734741), (43, 461349), (63, 314889), (129, 153783), (189, 104963), (301, 65907), (387, 51261), (903, 21969), (1161, 17087), (2441, 8127), (2709, 7323)]