19513494

素因数分解:

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

素因数の和:80

約数の個数: 192

約数和(自身を含む): 61447680

約数和(自身を除く): 41934186

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 19, 21, 22, 26, 27, 33, 38, 39, 42, 54, 57, 63, 66, 77, 78, 91, 99, 114, 117, 126, 133, 143, 154, 171, 182, 189, 198, 209, 231, 234, 247, 266, 273, 286, 297, 342, 351, 361, 378, 399, 418, 429, 462, 494, 513, 546, 594, 627, 693, 702, 722, 741, 798, 819, 858, 1001, 1026, 1083, 1197, 1254, 1287, 1386, 1463, 1482, 1638, 1729, 1881, 2002, 2079, 2166, 2223, 2394, 2457, 2527, 2574, 2717, 2926, 3003, 3249, 3458, 3591, 3762, 3861, 3971, 4158, 4389, 4446, 4693, 4914, 5054, 5187, 5434, 5643, 6006, 6498, 6669, 7182, 7581, 7722, 7942, 8151, 8778, 9009, 9386, 9747, 10374, 11286, 11913, 13167, 13338, 14079, 15162, 15561, 16302, 18018, 19019, 19494, 22743, 23826, 24453, 26334, 27027, 27797, 28158, 31122, 32851, 35739, 38038, 39501, 42237, 45486, 46683, 48906, 51623, 54054, 55594, 57057, 65702, 68229, 71478, 73359, 79002, 83391, 84474, 93366, 98553, 103246, 107217, 114114, 126711, 136458, 146718, 154869, 166782, 171171, 197106, 214434, 250173, 253422, 295659, 309738, 342342, 361361, 464607, 500346, 513513, 591318, 722722, 750519, 886977, 929214, 1027026, 1084083, 1393821, 1501038, 1773954, 2168166, 2787642, 3252249, 6504498, 9756747, 19513494]

約数ペア:

[(1, 19513494), (2, 9756747), (3, 6504498), (6, 3252249), (7, 2787642), (9, 2168166), (11, 1773954), (13, 1501038), (14, 1393821), (18, 1084083), (19, 1027026), (21, 929214), (22, 886977), (26, 750519), (27, 722722), (33, 591318), (38, 513513), (39, 500346), (42, 464607), (54, 361361), (57, 342342), (63, 309738), (66, 295659), (77, 253422), (78, 250173), (91, 214434), (99, 197106), (114, 171171), (117, 166782), (126, 154869), (133, 146718), (143, 136458), (154, 126711), (171, 114114), (182, 107217), (189, 103246), (198, 98553), (209, 93366), (231, 84474), (234, 83391), (247, 79002), (266, 73359), (273, 71478), (286, 68229), (297, 65702), (342, 57057), (351, 55594), (361, 54054), (378, 51623), (399, 48906), (418, 46683), (429, 45486), (462, 42237), (494, 39501), (513, 38038), (546, 35739), (594, 32851), (627, 31122), (693, 28158), (702, 27797), (722, 27027), (741, 26334), (798, 24453), (819, 23826), (858, 22743), (1001, 19494), (1026, 19019), (1083, 18018), (1197, 16302), (1254, 15561), (1287, 15162), (1386, 14079), (1463, 13338), (1482, 13167), (1638, 11913), (1729, 11286), (1881, 10374), (2002, 9747), (2079, 9386), (2166, 9009), (2223, 8778), (2394, 8151), (2457, 7942), (2527, 7722), (2574, 7581), (2717, 7182), (2926, 6669), (3003, 6498), (3249, 6006), (3458, 5643), (3591, 5434), (3762, 5187), (3861, 5054), (3971, 4914), (4158, 4693), (4389, 4446)]