19923253

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 24361344

約数和(自身を除く): 4438091

約数列:

[1, 7, 41, 47, 49, 211, 287, 329, 1477, 1927, 2009, 2303, 8651, 9917, 10339, 13489, 60557, 69419, 94423, 406597, 423899, 485933, 2846179, 19923253]

約数ペア:

[(1, 19923253), (7, 2846179), (41, 485933), (47, 423899), (49, 406597), (211, 94423), (287, 69419), (329, 60557), (1477, 13489), (1927, 10339), (2009, 9917), (2303, 8651)]