19428866

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2243}}^1$

素因数の和:2377

約数の個数: 16

約数和(自身を含む): 30051648

約数和(自身を除く): 10622782

約数列:

[1, 2, 61, 71, 122, 142, 2243, 4331, 4486, 8662, 136823, 159253, 273646, 318506, 9714433, 19428866]

約数ペア:

[(1, 19428866), (2, 9714433), (61, 318506), (71, 273646), (122, 159253), (142, 136823), (2243, 8662), (4331, 4486)]