19268811

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 28916160

約数和(自身を除く): 9647349

約数列:

[1, 3, 9, 41, 79, 123, 237, 369, 661, 711, 1983, 3239, 5949, 9717, 27101, 29151, 52219, 81303, 156657, 243909, 469971, 2140979, 6422937, 19268811]

約数ペア:

[(1, 19268811), (3, 6422937), (9, 2140979), (41, 469971), (79, 243909), (123, 156657), (237, 81303), (369, 52219), (661, 29151), (711, 27101), (1983, 9717), (3239, 5949)]