18408824

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 42586560

約数和(自身を除く): 24177736

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 61, 68, 119, 122, 136, 238, 244, 317, 427, 476, 488, 634, 854, 952, 1037, 1268, 1708, 2074, 2219, 2536, 3416, 4148, 4438, 5389, 7259, 8296, 8876, 10778, 14518, 17752, 19337, 21556, 29036, 37723, 38674, 43112, 58072, 75446, 77348, 135359, 150892, 154696, 270718, 301784, 328729, 541436, 657458, 1082872, 1314916, 2301103, 2629832, 4602206, 9204412, 18408824]

約数ペア:

[(1, 18408824), (2, 9204412), (4, 4602206), (7, 2629832), (8, 2301103), (14, 1314916), (17, 1082872), (28, 657458), (34, 541436), (56, 328729), (61, 301784), (68, 270718), (119, 154696), (122, 150892), (136, 135359), (238, 77348), (244, 75446), (317, 58072), (427, 43112), (476, 38674), (488, 37723), (634, 29036), (854, 21556), (952, 19337), (1037, 17752), (1268, 14518), (1708, 10778), (2074, 8876), (2219, 8296), (2536, 7259), (3416, 5389), (4148, 4438)]