19382994

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 23947566

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 127, 139, 183, 254, 278, 366, 381, 417, 549, 762, 834, 1098, 1143, 1251, 2286, 2502, 7747, 8479, 15494, 16958, 17653, 23241, 25437, 35306, 46482, 50874, 52959, 69723, 76311, 105918, 139446, 152622, 158877, 317754, 1076833, 2153666, 3230499, 6460998, 9691497, 19382994]

約数ペア:

[(1, 19382994), (2, 9691497), (3, 6460998), (6, 3230499), (9, 2153666), (18, 1076833), (61, 317754), (122, 158877), (127, 152622), (139, 139446), (183, 105918), (254, 76311), (278, 69723), (366, 52959), (381, 50874), (417, 46482), (549, 35306), (762, 25437), (834, 23241), (1098, 17653), (1143, 16958), (1251, 15494), (2286, 8479), (2502, 7747)]