19905746

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{34679}}^1$

素因数の和:34729

約数の個数: 16

約数和(自身を含む): 34957440

約数和(自身を除く): 15051694

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 34679, 69358, 242753, 485506, 1421839, 2843678, 9952873, 19905746]

約数ペア:

[(1, 19905746), (2, 9952873), (7, 2843678), (14, 1421839), (41, 485506), (82, 242753), (287, 69358), (574, 34679)]