19243389

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2269}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 28111680

約数和(自身を除く): 8868291

約数列:

[1, 3, 11, 33, 257, 771, 2269, 2827, 6807, 8481, 24959, 74877, 583133, 1749399, 6414463, 19243389]

約数ペア:

[(1, 19243389), (3, 6414463), (11, 1749399), (33, 583133), (257, 74877), (771, 24959), (2269, 8481), (2827, 6807)]