13221918

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 30270240

約数和(自身を除く): 17048322

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 109, 138, 207, 218, 293, 327, 414, 586, 654, 879, 981, 1758, 1962, 2507, 2637, 5014, 5274, 6739, 7521, 13478, 15042, 20217, 22563, 31937, 40434, 45126, 60651, 63874, 95811, 121302, 191622, 287433, 574866, 734551, 1469102, 2203653, 4407306, 6610959, 13221918]

約数ペア:

[(1, 13221918), (2, 6610959), (3, 4407306), (6, 2203653), (9, 1469102), (18, 734551), (23, 574866), (46, 287433), (69, 191622), (109, 121302), (138, 95811), (207, 63874), (218, 60651), (293, 45126), (327, 40434), (414, 31937), (586, 22563), (654, 20217), (879, 15042), (981, 13478), (1758, 7521), (1962, 6739), (2507, 5274), (2637, 5014)]