18791440

素因数分解:

$2^4\times 5^1\times {\mathrm{234893}}^1$

素因数の和:234906

約数の個数: 20

約数和(自身を含む): 43690284

約数和(自身を除く): 24898844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234893, 469786, 939572, 1174465, 1879144, 2348930, 3758288, 4697860, 9395720, 18791440]

約数ペア:

[(1, 18791440), (2, 9395720), (4, 4697860), (5, 3758288), (8, 2348930), (10, 1879144), (16, 1174465), (20, 939572), (40, 469786), (80, 234893)]