20147619

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1249}}^1$

素因数の和:1554

約数の個数: 16

約数和(自身を含む): 28400000

約数和(自身を除く): 8252381

約数列:

[1, 3, 19, 57, 283, 849, 1249, 3747, 5377, 16131, 23731, 71193, 353467, 1060401, 6715873, 20147619]

約数ペア:

[(1, 20147619), (3, 6715873), (19, 1060401), (57, 353467), (283, 71193), (849, 23731), (1249, 16131), (3747, 5377)]