19911778842

素因数分解:

$2^1\times 3^1\times {\mathrm{81043}}^1\times {\mathrm{40949}}^1$

素因数の和:121997

約数の個数: 16

約数和(自身を含む): 39825021600

約数和(自身を除く): 19913242758

約数列:

[1, 2, 3, 6, 40949, 81043, 81898, 122847, 162086, 243129, 245694, 486258, 3318629807, 6637259614, 9955889421, 19911778842]

約数ペア:

[(1, 19911778842), (2, 9955889421), (3, 6637259614), (6, 3318629807), (40949, 486258), (81043, 245694), (81898, 243129), (122847, 162086)]