18987826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5107}}^1$

素因数の和:5146

約数の個数: 24

約数和(自身を含む): 33651504

約数和(自身を除く): 14663678

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 286, 338, 1859, 3718, 5107, 10214, 56177, 66391, 112354, 132782, 730301, 863083, 1460602, 1726166, 9493913, 18987826]

約数ペア:

[(1, 18987826), (2, 9493913), (11, 1726166), (13, 1460602), (22, 863083), (26, 730301), (143, 132782), (169, 112354), (286, 66391), (338, 56177), (1859, 10214), (3718, 5107)]