17947818

素因数分解:

$2^1\times 3^4\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 160

約数和(自身を含む): 52272000

約数和(自身を除く): 34324182

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 27, 34, 38, 42, 49, 51, 54, 57, 63, 81, 98, 102, 114, 119, 126, 133, 147, 153, 162, 171, 189, 238, 266, 294, 306, 323, 342, 343, 357, 378, 399, 441, 459, 513, 567, 646, 686, 714, 798, 833, 882, 918, 931, 969, 1026, 1029, 1071, 1134, 1197, 1323, 1377, 1539, 1666, 1862, 1938, 2058, 2142, 2261, 2394, 2499, 2646, 2754, 2793, 2907, 3078, 3087, 3213, 3591, 3969, 4522, 4998, 5586, 5814, 5831, 6174, 6426, 6517, 6783, 7182, 7497, 7938, 8379, 8721, 9261, 9639, 10773, 11662, 13034, 13566, 14994, 15827, 16758, 17442, 17493, 18522, 19278, 19551, 20349, 21546, 22491, 25137, 26163, 27783, 31654, 34986, 39102, 40698, 44982, 47481, 50274, 52326, 52479, 55566, 58653, 61047, 67473, 75411, 94962, 104958, 110789, 117306, 122094, 134946, 142443, 150822, 157437, 175959, 183141, 221578, 284886, 314874, 332367, 351918, 366282, 427329, 472311, 527877, 664734, 854658, 944622, 997101, 1055754, 1281987, 1994202, 2563974, 2991303, 5982606, 8973909, 17947818]

約数ペア:

[(1, 17947818), (2, 8973909), (3, 5982606), (6, 2991303), (7, 2563974), (9, 1994202), (14, 1281987), (17, 1055754), (18, 997101), (19, 944622), (21, 854658), (27, 664734), (34, 527877), (38, 472311), (42, 427329), (49, 366282), (51, 351918), (54, 332367), (57, 314874), (63, 284886), (81, 221578), (98, 183141), (102, 175959), (114, 157437), (119, 150822), (126, 142443), (133, 134946), (147, 122094), (153, 117306), (162, 110789), (171, 104958), (189, 94962), (238, 75411), (266, 67473), (294, 61047), (306, 58653), (323, 55566), (342, 52479), (343, 52326), (357, 50274), (378, 47481), (399, 44982), (441, 40698), (459, 39102), (513, 34986), (567, 31654), (646, 27783), (686, 26163), (714, 25137), (798, 22491), (833, 21546), (882, 20349), (918, 19551), (931, 19278), (969, 18522), (1026, 17493), (1029, 17442), (1071, 16758), (1134, 15827), (1197, 14994), (1323, 13566), (1377, 13034), (1539, 11662), (1666, 10773), (1862, 9639), (1938, 9261), (2058, 8721), (2142, 8379), (2261, 7938), (2394, 7497), (2499, 7182), (2646, 6783), (2754, 6517), (2793, 6426), (2907, 6174), (3078, 5831), (3087, 5814), (3213, 5586), (3591, 4998), (3969, 4522)]