18078950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{8819}}^1$

素因数の和:8872

約数の個数: 24

約数和(自身を含む): 34450920

約数和(自身を除く): 16371970

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 8819, 17638, 44095, 88190, 220475, 361579, 440950, 723158, 1807895, 3615790, 9039475, 18078950]

約数ペア:

[(1, 18078950), (2, 9039475), (5, 3615790), (10, 1807895), (25, 723158), (41, 440950), (50, 361579), (82, 220475), (205, 88190), (410, 44095), (1025, 17638), (2050, 8819)]