20198178

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 62899200

約数和(自身を除く): 42701022

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 19, 21, 22, 26, 33, 38, 39, 42, 57, 59, 63, 66, 77, 78, 91, 99, 114, 117, 118, 126, 133, 143, 154, 171, 177, 182, 198, 209, 231, 234, 247, 266, 273, 286, 342, 354, 399, 413, 418, 429, 462, 494, 531, 546, 627, 649, 693, 741, 767, 798, 819, 826, 858, 1001, 1062, 1121, 1197, 1239, 1254, 1287, 1298, 1386, 1463, 1482, 1534, 1638, 1729, 1881, 1947, 2002, 2223, 2242, 2301, 2394, 2478, 2574, 2717, 2926, 3003, 3363, 3458, 3717, 3762, 3894, 4389, 4446, 4543, 4602, 5187, 5369, 5434, 5841, 6006, 6726, 6903, 7434, 7847, 8151, 8437, 8778, 9009, 9086, 10089, 10374, 10738, 11682, 12331, 13167, 13629, 13806, 14573, 15561, 15694, 16107, 16302, 16874, 18018, 19019, 20178, 23541, 24453, 24662, 25311, 26334, 27258, 29146, 31122, 32214, 36993, 38038, 40887, 43719, 47082, 48321, 48906, 50622, 57057, 59059, 70623, 73986, 75933, 81774, 86317, 87438, 96642, 102011, 110979, 114114, 118118, 131157, 141246, 151866, 160303, 171171, 172634, 177177, 204022, 221958, 258951, 262314, 306033, 320606, 342342, 354354, 480909, 517902, 531531, 612066, 776853, 918099, 961818, 1063062, 1122121, 1442727, 1553706, 1836198, 2244242, 2885454, 3366363, 6732726, 10099089, 20198178]

約数ペア:

[(1, 20198178), (2, 10099089), (3, 6732726), (6, 3366363), (7, 2885454), (9, 2244242), (11, 1836198), (13, 1553706), (14, 1442727), (18, 1122121), (19, 1063062), (21, 961818), (22, 918099), (26, 776853), (33, 612066), (38, 531531), (39, 517902), (42, 480909), (57, 354354), (59, 342342), (63, 320606), (66, 306033), (77, 262314), (78, 258951), (91, 221958), (99, 204022), (114, 177177), (117, 172634), (118, 171171), (126, 160303), (133, 151866), (143, 141246), (154, 131157), (171, 118118), (177, 114114), (182, 110979), (198, 102011), (209, 96642), (231, 87438), (234, 86317), (247, 81774), (266, 75933), (273, 73986), (286, 70623), (342, 59059), (354, 57057), (399, 50622), (413, 48906), (418, 48321), (429, 47082), (462, 43719), (494, 40887), (531, 38038), (546, 36993), (627, 32214), (649, 31122), (693, 29146), (741, 27258), (767, 26334), (798, 25311), (819, 24662), (826, 24453), (858, 23541), (1001, 20178), (1062, 19019), (1121, 18018), (1197, 16874), (1239, 16302), (1254, 16107), (1287, 15694), (1298, 15561), (1386, 14573), (1463, 13806), (1482, 13629), (1534, 13167), (1638, 12331), (1729, 11682), (1881, 10738), (1947, 10374), (2002, 10089), (2223, 9086), (2242, 9009), (2301, 8778), (2394, 8437), (2478, 8151), (2574, 7847), (2717, 7434), (2926, 6903), (3003, 6726), (3363, 6006), (3458, 5841), (3717, 5434), (3762, 5369), (3894, 5187), (4389, 4602), (4446, 4543)]