18784371

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{839}}^1$

素因数の和:1298

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 7826829

約数列:

[1, 3, 17, 51, 439, 839, 1317, 2517, 7463, 14263, 22389, 42789, 368321, 1104963, 6261457, 18784371]

約数ペア:

[(1, 18784371), (3, 6261457), (17, 1104963), (51, 368321), (439, 42789), (839, 22389), (1317, 14263), (2517, 7463)]