19205121507

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11903}}^1\times {\mathrm{3761}}^1$

素因数の和:15691

約数の個数: 32

約数和(自身を含む): 30094073856

約数和(自身を除く): 10888952349

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 3761, 11283, 11903, 35709, 41371, 48893, 124113, 130933, 146679, 154739, 392799, 464217, 537823, 1613469, 1702129, 5106387, 44767183, 134301549, 492439013, 581973379, 1477317039, 1745920137, 6401707169, 19205121507]

約数ペア:

[(1, 19205121507), (3, 6401707169), (11, 1745920137), (13, 1477317039), (33, 581973379), (39, 492439013), (143, 134301549), (429, 44767183), (3761, 5106387), (11283, 1702129), (11903, 1613469), (35709, 537823), (41371, 464217), (48893, 392799), (124113, 154739), (130933, 146679)]