19280397

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1471}}^1$

素因数の和:1748

約数の個数: 16

約数和(自身を含む): 27343872

約数和(自身を除く): 8063475

約数列:

[1, 3, 17, 51, 257, 771, 1471, 4369, 4413, 13107, 25007, 75021, 378047, 1134141, 6426799, 19280397]

約数ペア:

[(1, 19280397), (3, 6426799), (17, 1134141), (51, 378047), (257, 75021), (771, 25007), (1471, 13107), (4369, 4413)]