19921758

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{23887}}^1$

素因数の和:24031

約数の個数: 16

約数和(自身を含む): 40131840

約数和(自身を除く): 20210082

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 23887, 47774, 71661, 143322, 3320293, 6640586, 9960879, 19921758]

約数ペア:

[(1, 19921758), (2, 9960879), (3, 6640586), (6, 3320293), (139, 143322), (278, 71661), (417, 47774), (834, 23887)]