19655272

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:88

約数の個数: 128

約数和(自身を含む): 50400000

約数和(自身を除く): 30744728

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 29, 38, 49, 52, 56, 58, 76, 91, 98, 104, 116, 133, 152, 182, 196, 203, 232, 247, 266, 343, 364, 377, 392, 406, 494, 532, 551, 637, 686, 728, 754, 812, 931, 988, 1064, 1102, 1274, 1372, 1421, 1508, 1624, 1729, 1862, 1976, 2204, 2548, 2639, 2744, 2842, 3016, 3458, 3724, 3857, 4408, 4459, 5096, 5278, 5684, 6517, 6916, 7163, 7448, 7714, 8918, 9947, 10556, 11368, 12103, 13034, 13832, 14326, 15428, 17836, 18473, 19894, 21112, 24206, 26068, 26999, 28652, 30856, 35672, 36946, 39788, 48412, 50141, 52136, 53998, 57304, 73892, 79576, 84721, 96824, 100282, 107996, 129311, 147784, 169442, 188993, 200564, 215992, 258622, 338884, 350987, 377986, 401128, 517244, 677768, 701974, 755972, 1034488, 1403948, 1511944, 2456909, 2807896, 4913818, 9827636, 19655272]

約数ペア:

[(1, 19655272), (2, 9827636), (4, 4913818), (7, 2807896), (8, 2456909), (13, 1511944), (14, 1403948), (19, 1034488), (26, 755972), (28, 701974), (29, 677768), (38, 517244), (49, 401128), (52, 377986), (56, 350987), (58, 338884), (76, 258622), (91, 215992), (98, 200564), (104, 188993), (116, 169442), (133, 147784), (152, 129311), (182, 107996), (196, 100282), (203, 96824), (232, 84721), (247, 79576), (266, 73892), (343, 57304), (364, 53998), (377, 52136), (392, 50141), (406, 48412), (494, 39788), (532, 36946), (551, 35672), (637, 30856), (686, 28652), (728, 26999), (754, 26068), (812, 24206), (931, 21112), (988, 19894), (1064, 18473), (1102, 17836), (1274, 15428), (1372, 14326), (1421, 13832), (1508, 13034), (1624, 12103), (1729, 11368), (1862, 10556), (1976, 9947), (2204, 8918), (2548, 7714), (2639, 7448), (2744, 7163), (2842, 6916), (3016, 6517), (3458, 5684), (3724, 5278), (3857, 5096), (4408, 4459)]