19830891

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 28514160

約数和(自身を除く): 8683269

約数列:

[1, 3, 17, 51, 89, 257, 267, 289, 771, 867, 1513, 4369, 4539, 13107, 22873, 25721, 68619, 74273, 77163, 222819, 388841, 1166523, 6610297, 19830891]

約数ペア:

[(1, 19830891), (3, 6610297), (17, 1166523), (51, 388841), (89, 222819), (257, 77163), (267, 74273), (289, 68619), (771, 25721), (867, 22873), (1513, 13107), (4369, 4539)]