19149897

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 27985824

約数和(自身を除く): 8835927

約数列:

[1, 3, 13, 39, 107, 169, 321, 353, 507, 1059, 1391, 4173, 4589, 13767, 18083, 37771, 54249, 59657, 113313, 178971, 491023, 1473069, 6383299, 19149897]

約数ペア:

[(1, 19149897), (3, 6383299), (13, 1473069), (39, 491023), (107, 178971), (169, 113313), (321, 59657), (353, 54249), (507, 37771), (1059, 18083), (1391, 13767), (4173, 4589)]