18996965689

素因数分解:

${\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{885103}}^1$

素因数の和:885256

約数の個数: 12

約数和(自身を含む): 20732676096

約数和(自身を除く): 1735710407

約数列:

[1, 13, 127, 169, 1651, 21463, 885103, 11506339, 112408081, 149582407, 1461305053, 18996965689]

約数ペア:

[(1, 18996965689), (13, 1461305053), (127, 149582407), (169, 112408081), (1651, 11506339), (21463, 885103)]