18084143

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 24330240

約数和(自身を除く): 6246097

約数列:

[1, 7, 11, 19, 47, 77, 133, 209, 263, 329, 517, 893, 1463, 1841, 2893, 3619, 4997, 6251, 9823, 12361, 20251, 34979, 54967, 68761, 86527, 135971, 234859, 384769, 951797, 1644013, 2583449, 18084143]

約数ペア:

[(1, 18084143), (7, 2583449), (11, 1644013), (19, 951797), (47, 384769), (77, 234859), (133, 135971), (209, 86527), (263, 68761), (329, 54967), (517, 34979), (893, 20251), (1463, 12361), (1841, 9823), (2893, 6251), (3619, 4997)]