18623087

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 22604832

約数和(自身を除く): 3981745

約数列:

[1, 7, 49, 53, 71, 101, 371, 497, 707, 2597, 3479, 3763, 4949, 5353, 7171, 26341, 37471, 50197, 184387, 262297, 351379, 380063, 2660441, 18623087]

約数ペア:

[(1, 18623087), (7, 2660441), (49, 380063), (53, 351379), (71, 262297), (101, 184387), (371, 50197), (497, 37471), (707, 26341), (2597, 7171), (3479, 5353), (3763, 4949)]