19787911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7283}}^1$

素因数の和:7326

約数の個数: 16

約数和(自身を含む): 24474240

約数和(自身を除く): 4686329

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 7283, 80113, 94679, 138377, 1041469, 1522147, 1798901, 19787911]

約数ペア:

[(1, 19787911), (11, 1798901), (13, 1522147), (19, 1041469), (143, 138377), (209, 94679), (247, 80113), (2717, 7283)]