19930850

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2087}}^1$

素因数の和:2290

約数の個数: 24

約数和(自身を含む): 37283328

約数和(自身を除く): 17352478

約数列:

[1, 2, 5, 10, 25, 50, 191, 382, 955, 1910, 2087, 4174, 4775, 9550, 10435, 20870, 52175, 104350, 398617, 797234, 1993085, 3986170, 9965425, 19930850]

約数ペア:

[(1, 19930850), (2, 9965425), (5, 3986170), (10, 1993085), (25, 797234), (50, 398617), (191, 104350), (382, 52175), (955, 20870), (1910, 10435), (2087, 9550), (4174, 4775)]