19763739

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 29981952

約数和(自身を除く): 10218213

約数列:

[1, 3, 9, 23, 69, 207, 307, 311, 921, 933, 2763, 2799, 7061, 7153, 21183, 21459, 63549, 64377, 95477, 286431, 859293, 2195971, 6587913, 19763739]

約数ペア:

[(1, 19763739), (3, 6587913), (9, 2195971), (23, 859293), (69, 286431), (207, 95477), (307, 64377), (311, 63549), (921, 21459), (933, 21183), (2763, 7153), (2799, 7061)]