19658166

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1999}}^1$

素因数の和:2164

約数の個数: 32

約数和(自身を含む): 43200000

約数和(自身を除く): 23541834

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 149, 298, 447, 894, 1639, 1999, 3278, 3998, 4917, 5997, 9834, 11994, 21989, 43978, 65967, 131934, 297851, 595702, 893553, 1787106, 3276361, 6552722, 9829083, 19658166]

約数ペア:

[(1, 19658166), (2, 9829083), (3, 6552722), (6, 3276361), (11, 1787106), (22, 893553), (33, 595702), (66, 297851), (149, 131934), (298, 65967), (447, 43978), (894, 21989), (1639, 11994), (1999, 9834), (3278, 5997), (3998, 4917)]