19853872

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17477}}^1$

素因数の和:17556

約数の個数: 20

約数和(自身を含む): 39010896

約数和(自身を除く): 19157024

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17477, 34954, 69908, 139816, 279632, 1240867, 2481734, 4963468, 9926936, 19853872]

約数ペア:

[(1, 19853872), (2, 9926936), (4, 4963468), (8, 2481734), (16, 1240867), (71, 279632), (142, 139816), (284, 69908), (568, 34954), (1136, 17477)]