19168509

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2903}}^1$

素因数の和:3008

約数の個数: 16

約数和(自身を含む): 26763264

約数和(自身を除く): 7594755

約数列:

[1, 3, 31, 71, 93, 213, 2201, 2903, 6603, 8709, 89993, 206113, 269979, 618339, 6389503, 19168509]

約数ペア:

[(1, 19168509), (3, 6389503), (31, 618339), (71, 269979), (93, 206113), (213, 89993), (2201, 8709), (2903, 6603)]