19938297

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{2341}}^1$

素因数の和:2528

約数の個数: 16

約数和(自身を含む): 28328832

約数和(自身を除く): 8390535

約数列:

[1, 3, 17, 51, 167, 501, 2341, 2839, 7023, 8517, 39797, 119391, 390947, 1172841, 6646099, 19938297]

約数ペア:

[(1, 19938297), (3, 6646099), (17, 1172841), (51, 390947), (167, 119391), (501, 39797), (2341, 8517), (2839, 7023)]