18665244

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{39883}}^1$

素因数の和:39906

約数の個数: 36

約数和(自身を含む): 50812216

約数和(自身を除く): 32146972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 39883, 79766, 119649, 159532, 239298, 358947, 478596, 518479, 717894, 1036958, 1435788, 1555437, 2073916, 3110874, 4666311, 6221748, 9332622, 18665244]

約数ペア:

[(1, 18665244), (2, 9332622), (3, 6221748), (4, 4666311), (6, 3110874), (9, 2073916), (12, 1555437), (13, 1435788), (18, 1036958), (26, 717894), (36, 518479), (39, 478596), (52, 358947), (78, 239298), (117, 159532), (156, 119649), (234, 79766), (468, 39883)]