18939063

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 29981952

約数和(自身を除く): 11042889

約数列:

[1, 3, 11, 13, 33, 39, 131, 143, 337, 393, 429, 1011, 1441, 1703, 3707, 4323, 4381, 5109, 11121, 13143, 18733, 44147, 48191, 56199, 132441, 144573, 485617, 573911, 1456851, 1721733, 6313021, 18939063]

約数ペア:

[(1, 18939063), (3, 6313021), (11, 1721733), (13, 1456851), (33, 573911), (39, 485617), (131, 144573), (143, 132441), (337, 56199), (393, 48191), (429, 44147), (1011, 18733), (1441, 13143), (1703, 11121), (3707, 5109), (4323, 4381)]