19128140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23327}}^1$

素因数の和:23377

約数の個数: 24

約数和(自身を含む): 41150592

約数和(自身を除く): 22022452

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23327, 46654, 93308, 116635, 233270, 466540, 956407, 1912814, 3825628, 4782035, 9564070, 19128140]

約数ペア:

[(1, 19128140), (2, 9564070), (4, 4782035), (5, 3825628), (10, 1912814), (20, 956407), (41, 466540), (82, 233270), (164, 116635), (205, 93308), (410, 46654), (820, 23327)]