19650657

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 30264192

約数和(自身を除く): 10613535

約数列:

[1, 3, 13, 17, 39, 51, 107, 221, 277, 321, 663, 831, 1391, 1819, 3601, 4173, 4709, 5457, 10803, 14127, 23647, 29639, 61217, 70941, 88917, 183651, 385307, 503863, 1155921, 1511589, 6550219, 19650657]

約数ペア:

[(1, 19650657), (3, 6550219), (13, 1511589), (17, 1155921), (39, 503863), (51, 385307), (107, 183651), (221, 88917), (277, 70941), (321, 61217), (663, 29639), (831, 23647), (1391, 14127), (1819, 10803), (3601, 5457), (4173, 4709)]