19119826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{7691}}^1$

素因数の和:7817

約数の個数: 16

約数和(自身を含む): 31567968

約数和(自身を除く): 12448142

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 7691, 15382, 84601, 169202, 869083, 1738166, 9559913, 19119826]

約数ペア:

[(1, 19119826), (2, 9559913), (11, 1738166), (22, 869083), (113, 169202), (226, 84601), (1243, 15382), (2486, 7691)]