18793489

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6917}}^1$

素因数の和:6960

約数の個数: 16

約数和(自身を含む): 23244480

約数和(自身を除く): 4450991

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 6917, 76087, 89921, 131423, 989131, 1445653, 1708499, 18793489]

約数ペア:

[(1, 18793489), (11, 1708499), (13, 1445653), (19, 989131), (143, 131423), (209, 89921), (247, 76087), (2717, 6917)]