19367777

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 24966144

約数和(自身を除く): 5598367

約数列:

[1, 11, 13, 17, 31, 143, 187, 221, 257, 341, 403, 527, 2431, 2827, 3341, 4369, 4433, 5797, 6851, 7967, 36751, 48059, 56797, 75361, 87637, 103571, 135439, 624767, 1139281, 1489829, 1760707, 19367777]

約数ペア:

[(1, 19367777), (11, 1760707), (13, 1489829), (17, 1139281), (31, 624767), (143, 135439), (187, 103571), (221, 87637), (257, 75361), (341, 56797), (403, 48059), (527, 36751), (2431, 7967), (2827, 6851), (3341, 5797), (4369, 4433)]