19872554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{911}}^1$

素因数の和:1765

約数の個数: 16

約数和(自身を含む): 32175360

約数和(自身を除く): 12302806

約数列:

[1, 2, 13, 26, 839, 911, 1678, 1822, 10907, 11843, 21814, 23686, 764329, 1528658, 9936277, 19872554]

約数ペア:

[(1, 19872554), (2, 9936277), (13, 1528658), (26, 764329), (839, 23686), (911, 21814), (1678, 11843), (1822, 10907)]