18481857

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 8613183

約数列:

[1, 3, 23, 41, 47, 69, 123, 139, 141, 417, 943, 1081, 1927, 2829, 3197, 3243, 5699, 5781, 6533, 9591, 17097, 19599, 44321, 131077, 132963, 150259, 267853, 393231, 450777, 803559, 6160619, 18481857]

約数ペア:

[(1, 18481857), (3, 6160619), (23, 803559), (41, 450777), (47, 393231), (69, 267853), (123, 150259), (139, 132963), (141, 131077), (417, 44321), (943, 19599), (1081, 17097), (1927, 9591), (2829, 6533), (3197, 5781), (3243, 5699)]