19700733

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4721}}^1$

素因数の和:4844

約数の個数: 16

約数和(自身を含む): 28558656

約数和(自身を除く): 8857923

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 4721, 14163, 61373, 184119, 505147, 1515441, 6566911, 19700733]

約数ペア:

[(1, 19700733), (3, 6566911), (13, 1515441), (39, 505147), (107, 184119), (321, 61373), (1391, 14163), (4173, 4721)]