19690906

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{547}}^1$

素因数の和:1029

約数の個数: 16

約数和(自身を含む): 30381120

約数和(自身を除く): 10690214

約数列:

[1, 2, 41, 82, 439, 547, 878, 1094, 17999, 22427, 35998, 44854, 240133, 480266, 9845453, 19690906]

約数ペア:

[(1, 19690906), (2, 9845453), (41, 480266), (82, 240133), (439, 44854), (547, 35998), (878, 22427), (1094, 17999)]