2018085435

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{216649}}^1$

素因数の和:216689

約数の個数: 40

約数和(自身を含む): 3774909600

約数和(自身を除く): 1756824165

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 216649, 649947, 1083245, 1949841, 3249735, 4982927, 5849523, 9749205, 14948781, 17548569, 24914635, 29247615, 44846343, 74743905, 87742845, 134539029, 224231715, 403617087, 672695145, 2018085435]

約数ペア:

[(1, 2018085435), (3, 672695145), (5, 403617087), (9, 224231715), (15, 134539029), (23, 87742845), (27, 74743905), (45, 44846343), (69, 29247615), (81, 24914635), (115, 17548569), (135, 14948781), (207, 9749205), (345, 5849523), (405, 4982927), (621, 3249735), (1035, 1949841), (1863, 1083245), (3105, 649947), (9315, 216649)]