19513264

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{2753}}^1$

素因数の和:3204

約数の個数: 20

約数和(自身を含む): 37906056

約数和(自身を除く): 18392792

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 2753, 3544, 5506, 7088, 11012, 22024, 44048, 1219579, 2439158, 4878316, 9756632, 19513264]

約数ペア:

[(1, 19513264), (2, 9756632), (4, 4878316), (8, 2439158), (16, 1219579), (443, 44048), (886, 22024), (1772, 11012), (2753, 7088), (3544, 5506)]