19981341

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1789}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 30995640

約数和(自身を除く): 11014299

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 1789, 3723, 5367, 11169, 16101, 30413, 91239, 130597, 273717, 391791, 1175373, 2220149, 6660447, 19981341]

約数ペア:

[(1, 19981341), (3, 6660447), (9, 2220149), (17, 1175373), (51, 391791), (73, 273717), (153, 130597), (219, 91239), (657, 30413), (1241, 16101), (1789, 11169), (3723, 5367)]