19663287

素因数分解:

$3^1\times 7^1\times {\mathrm{593}}^1\times {\mathrm{1579}}^1$

素因数の和:2182

約数の個数: 16

約数和(自身を含む): 30032640

約数和(自身を除く): 10369353

約数列:

[1, 3, 7, 21, 593, 1579, 1779, 4151, 4737, 11053, 12453, 33159, 936347, 2809041, 6554429, 19663287]

約数ペア:

[(1, 19663287), (3, 6554429), (7, 2809041), (21, 936347), (593, 33159), (1579, 12453), (1779, 11053), (4151, 4737)]