18826866

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^2\times {\mathrm{233}}^1$

素因数の和:375

約数の個数: 36

約数和(自身を含む): 41587182

約数和(自身を除く): 22760316

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 233, 402, 466, 603, 699, 1206, 1398, 2097, 4194, 4489, 8978, 13467, 15611, 26934, 31222, 40401, 46833, 80802, 93666, 140499, 280998, 1045937, 2091874, 3137811, 6275622, 9413433, 18826866]

約数ペア:

[(1, 18826866), (2, 9413433), (3, 6275622), (6, 3137811), (9, 2091874), (18, 1045937), (67, 280998), (134, 140499), (201, 93666), (233, 80802), (402, 46833), (466, 40401), (603, 31222), (699, 26934), (1206, 15611), (1398, 13467), (2097, 8978), (4194, 4489)]