19665854

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{701}}^1$

素因数の和:812

約数の個数: 24

約数和(自身を含む): 32373432

約数和(自身を除く): 12707578

約数列:

[1, 2, 13, 26, 83, 166, 169, 338, 701, 1079, 1402, 2158, 9113, 14027, 18226, 28054, 58183, 116366, 118469, 236938, 756379, 1512758, 9832927, 19665854]

約数ペア:

[(1, 19665854), (2, 9832927), (13, 1512758), (26, 756379), (83, 236938), (166, 118469), (169, 116366), (338, 58183), (701, 28054), (1079, 18226), (1402, 14027), (2158, 9113)]