18862623

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{613}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 29501472

約数和(自身を除く): 10638849

約数列:

[1, 3, 9, 13, 39, 117, 263, 613, 789, 1839, 2367, 3419, 5517, 7969, 10257, 23907, 30771, 71721, 161219, 483657, 1450971, 2095847, 6287541, 18862623]

約数ペア:

[(1, 18862623), (3, 6287541), (9, 2095847), (13, 1450971), (39, 483657), (117, 161219), (263, 71721), (613, 30771), (789, 23907), (1839, 10257), (2367, 7969), (3419, 5517)]