19884033

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:818

約数の個数: 36

約数和(自身を含む): 32972940

約数和(自身を除く): 13088907

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 507, 663, 769, 1521, 1989, 2307, 2873, 6921, 8619, 9997, 13073, 25857, 29991, 39219, 89973, 117657, 129961, 169949, 389883, 509847, 1169649, 1529541, 2209337, 6628011, 19884033]

約数ペア:

[(1, 19884033), (3, 6628011), (9, 2209337), (13, 1529541), (17, 1169649), (39, 509847), (51, 389883), (117, 169949), (153, 129961), (169, 117657), (221, 89973), (507, 39219), (663, 29991), (769, 25857), (1521, 13073), (1989, 9997), (2307, 8619), (2873, 6921)]