19994716

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17417}}^1$

素因数の和:17469

約数の個数: 24

約数和(自身を含む): 40967136

約数和(自身を除く): 20972420

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17417, 34834, 69668, 121919, 243838, 487676, 714097, 1428194, 2856388, 4998679, 9997358, 19994716]

約数ペア:

[(1, 19994716), (2, 9997358), (4, 4998679), (7, 2856388), (14, 1428194), (28, 714097), (41, 487676), (82, 243838), (164, 121919), (287, 69668), (574, 34834), (1148, 17417)]