19687059

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16447}}^1$

素因数の和:16479

約数の個数: 24

約数和(自身を含む): 34211840

約数和(自身を除く): 14524781

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16447, 49341, 115129, 148023, 312493, 345387, 937479, 1036161, 2187451, 2812437, 6562353, 19687059]

約数ペア:

[(1, 19687059), (3, 6562353), (7, 2812437), (9, 2187451), (19, 1036161), (21, 937479), (57, 345387), (63, 312493), (133, 148023), (171, 115129), (399, 49341), (1197, 16447)]