18253053

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:88

約数の個数: 128

約数和(自身を含む): 38707200

約数和(自身を除く): 20454147

約数列:

[1, 3, 7, 9, 13, 17, 19, 21, 23, 27, 39, 51, 57, 63, 69, 91, 117, 119, 133, 153, 161, 171, 189, 207, 221, 247, 273, 299, 323, 351, 357, 391, 399, 437, 459, 483, 513, 621, 663, 741, 819, 897, 969, 1071, 1173, 1197, 1311, 1449, 1547, 1729, 1989, 2093, 2223, 2261, 2457, 2691, 2737, 2907, 3059, 3213, 3519, 3591, 3933, 4199, 4347, 4641, 5083, 5187, 5681, 5967, 6279, 6669, 6783, 7429, 8073, 8211, 8721, 9177, 10557, 11799, 12597, 13923, 15249, 15561, 17043, 18837, 20349, 22287, 24633, 27531, 29393, 35581, 37791, 39767, 41769, 45747, 46683, 51129, 52003, 56511, 61047, 66861, 73899, 82593, 88179, 96577, 106743, 113373, 119301, 137241, 153387, 156009, 200583, 264537, 289731, 320229, 357903, 468027, 676039, 793611, 869193, 960687, 1073709, 1404081, 2028117, 2607579, 6084351, 18253053]

約数ペア:

[(1, 18253053), (3, 6084351), (7, 2607579), (9, 2028117), (13, 1404081), (17, 1073709), (19, 960687), (21, 869193), (23, 793611), (27, 676039), (39, 468027), (51, 357903), (57, 320229), (63, 289731), (69, 264537), (91, 200583), (117, 156009), (119, 153387), (133, 137241), (153, 119301), (161, 113373), (171, 106743), (189, 96577), (207, 88179), (221, 82593), (247, 73899), (273, 66861), (299, 61047), (323, 56511), (351, 52003), (357, 51129), (391, 46683), (399, 45747), (437, 41769), (459, 39767), (483, 37791), (513, 35581), (621, 29393), (663, 27531), (741, 24633), (819, 22287), (897, 20349), (969, 18837), (1071, 17043), (1173, 15561), (1197, 15249), (1311, 13923), (1449, 12597), (1547, 11799), (1729, 10557), (1989, 9177), (2093, 8721), (2223, 8211), (2261, 8073), (2457, 7429), (2691, 6783), (2737, 6669), (2907, 6279), (3059, 5967), (3213, 5681), (3519, 5187), (3591, 5083), (3933, 4641), (4199, 4347)]