18887245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1049}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 24519600

約数和(自身を除く): 5632355

約数列:

[1, 5, 13, 65, 277, 1049, 1385, 3601, 5245, 13637, 18005, 68185, 290573, 1452865, 3777449, 18887245]

約数ペア:

[(1, 18887245), (5, 3777449), (13, 1452865), (65, 290573), (277, 68185), (1049, 18005), (1385, 13637), (3601, 5245)]