19889233

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3583}}^1$

素因数の和:3664

約数の個数: 16

約数和(自身を含む): 24887296

約数和(自身を除く): 4998063

約数列:

[1, 7, 13, 61, 91, 427, 793, 3583, 5551, 25081, 46579, 218563, 326053, 1529941, 2841319, 19889233]

約数ペア:

[(1, 19889233), (7, 2841319), (13, 1529941), (61, 326053), (91, 218563), (427, 46579), (793, 25081), (3583, 5551)]