19819810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48341}}^1$

素因数の和:48389

約数の個数: 16

約数和(自身を含む): 36546552

約数和(自身を除く): 16726742

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 48341, 96682, 241705, 483410, 1981981, 3963962, 9909905, 19819810]

約数ペア:

[(1, 19819810), (2, 9909905), (5, 3963962), (10, 1981981), (41, 483410), (82, 241705), (205, 96682), (410, 48341)]