18723991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1031}}^1$

素因数の和:1182

約数の個数: 16

約数和(自身を含む): 22192128

約数和(自身を除く): 3468137

約数列:

[1, 11, 13, 127, 143, 1031, 1397, 1651, 11341, 13403, 18161, 130937, 147433, 1440307, 1702181, 18723991]

約数ペア:

[(1, 18723991), (11, 1702181), (13, 1440307), (127, 147433), (143, 130937), (1031, 18161), (1397, 13403), (1651, 11341)]