11990919

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 16926080

約数和(自身を除く): 4935161

約数列:

[1, 3, 19, 57, 211, 633, 997, 2991, 4009, 12027, 18943, 56829, 210367, 631101, 3996973, 11990919]

約数ペア:

[(1, 11990919), (3, 3996973), (19, 631101), (57, 210367), (211, 56829), (633, 18943), (997, 12027), (2991, 4009)]