19401057

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2099}}^1$

素因数の和:2197

約数の個数: 24

約数和(自身を含む): 30576000

約数和(自身を除く): 11174943

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 2099, 3081, 6297, 9243, 18891, 27287, 81861, 165821, 245583, 497463, 1492389, 2155673, 6467019, 19401057]

約数ペア:

[(1, 19401057), (3, 6467019), (9, 2155673), (13, 1492389), (39, 497463), (79, 245583), (117, 165821), (237, 81861), (711, 27287), (1027, 18891), (2099, 9243), (3081, 6297)]