19338417

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2417}}^1$

素因数の和:2557

約数の個数: 24

約数和(自身を含む): 32188416

約数和(自身を除く): 12849999

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2417, 2667, 7251, 8001, 16919, 21753, 50757, 152271, 306959, 920877, 2148713, 2762631, 6446139, 19338417]

約数ペア:

[(1, 19338417), (3, 6446139), (7, 2762631), (9, 2148713), (21, 920877), (63, 306959), (127, 152271), (381, 50757), (889, 21753), (1143, 16919), (2417, 8001), (2667, 7251)]