18208071

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1889}}^1$

素因数の和:1925

約数の個数: 40

約数和(自身を含む): 32931360

約数和(自身を除く): 14723289

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 1889, 3213, 5667, 9639, 13223, 17001, 32113, 39669, 51003, 96339, 119007, 153009, 224791, 289017, 357021, 674373, 867051, 1071063, 2023119, 2601153, 6069357, 18208071]

約数ペア:

[(1, 18208071), (3, 6069357), (7, 2601153), (9, 2023119), (17, 1071063), (21, 867051), (27, 674373), (51, 357021), (63, 289017), (81, 224791), (119, 153009), (153, 119007), (189, 96339), (357, 51003), (459, 39669), (567, 32113), (1071, 17001), (1377, 13223), (1889, 9639), (3213, 5667)]