18120366

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{173}}^1$

素因数の和:238

約数の個数: 72

約数和(自身を含む): 45031896

約数和(自身を除く): 26911530

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 138, 173, 198, 207, 253, 346, 414, 506, 519, 529, 759, 1038, 1058, 1518, 1557, 1587, 1903, 2277, 3114, 3174, 3806, 3979, 4554, 4761, 5709, 5819, 7958, 9522, 11418, 11638, 11937, 17127, 17457, 23874, 34254, 34914, 35811, 43769, 52371, 71622, 87538, 91517, 104742, 131307, 183034, 262614, 274551, 393921, 549102, 787842, 823653, 1006687, 1647306, 2013374, 3020061, 6040122, 9060183, 18120366]

約数ペア:

[(1, 18120366), (2, 9060183), (3, 6040122), (6, 3020061), (9, 2013374), (11, 1647306), (18, 1006687), (22, 823653), (23, 787842), (33, 549102), (46, 393921), (66, 274551), (69, 262614), (99, 183034), (138, 131307), (173, 104742), (198, 91517), (207, 87538), (253, 71622), (346, 52371), (414, 43769), (506, 35811), (519, 34914), (529, 34254), (759, 23874), (1038, 17457), (1058, 17127), (1518, 11937), (1557, 11638), (1587, 11418), (1903, 9522), (2277, 7958), (3114, 5819), (3174, 5709), (3806, 4761), (3979, 4554)]