19247778

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2371}}^1$

素因数の和:2431

約数の個数: 48

約数和(自身を含む): 46624032

約数和(自身を除く): 27376254

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 41, 66, 82, 99, 123, 198, 246, 369, 451, 738, 902, 1353, 2371, 2706, 4059, 4742, 7113, 8118, 14226, 21339, 26081, 42678, 52162, 78243, 97211, 156486, 194422, 234729, 291633, 469458, 583266, 874899, 1069321, 1749798, 2138642, 3207963, 6415926, 9623889, 19247778]

約数ペア:

[(1, 19247778), (2, 9623889), (3, 6415926), (6, 3207963), (9, 2138642), (11, 1749798), (18, 1069321), (22, 874899), (33, 583266), (41, 469458), (66, 291633), (82, 234729), (99, 194422), (123, 156486), (198, 97211), (246, 78243), (369, 52162), (451, 42678), (738, 26081), (902, 21339), (1353, 14226), (2371, 8118), (2706, 7113), (4059, 4742)]