1919620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2341}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 4131288

約数和(自身を除く): 2211668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2341, 4682, 9364, 11705, 23410, 46820, 95981, 191962, 383924, 479905, 959810, 1919620]

約数ペア:

[(1, 1919620), (2, 959810), (4, 479905), (5, 383924), (10, 191962), (20, 95981), (41, 46820), (82, 23410), (164, 11705), (205, 9364), (410, 4682), (820, 2341)]