18859379

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{463}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 24632832

約数和(自身を除く): 5773453

約数列:

[1, 7, 11, 23, 77, 161, 253, 463, 529, 1771, 3241, 3703, 5093, 5819, 10649, 35651, 40733, 74543, 117139, 244927, 819973, 1714489, 2694197, 18859379]

約数ペア:

[(1, 18859379), (7, 2694197), (11, 1714489), (23, 819973), (77, 244927), (161, 117139), (253, 74543), (463, 40733), (529, 35651), (1771, 10649), (3241, 5819), (3703, 5093)]