19741722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 56125440

約数和(自身を除く): 36383718

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 19, 21, 22, 26, 33, 38, 39, 42, 57, 66, 77, 78, 91, 114, 133, 143, 154, 173, 182, 209, 231, 247, 266, 273, 286, 346, 399, 418, 429, 462, 494, 519, 546, 627, 741, 798, 858, 1001, 1038, 1211, 1254, 1463, 1482, 1729, 1903, 2002, 2249, 2422, 2717, 2926, 3003, 3287, 3458, 3633, 3806, 4389, 4498, 5187, 5434, 5709, 6006, 6574, 6747, 7266, 8151, 8778, 9861, 10374, 11418, 13321, 13494, 15743, 16302, 19019, 19722, 23009, 24739, 26642, 31486, 36157, 38038, 39963, 42731, 46018, 47229, 49478, 57057, 69027, 72314, 74217, 79926, 85462, 94458, 108471, 114114, 128193, 138054, 148434, 173173, 216942, 253099, 256386, 299117, 346346, 470041, 506198, 519519, 598234, 759297, 897351, 940082, 1039038, 1410123, 1518594, 1794702, 2820246, 3290287, 6580574, 9870861, 19741722]

約数ペア:

[(1, 19741722), (2, 9870861), (3, 6580574), (6, 3290287), (7, 2820246), (11, 1794702), (13, 1518594), (14, 1410123), (19, 1039038), (21, 940082), (22, 897351), (26, 759297), (33, 598234), (38, 519519), (39, 506198), (42, 470041), (57, 346346), (66, 299117), (77, 256386), (78, 253099), (91, 216942), (114, 173173), (133, 148434), (143, 138054), (154, 128193), (173, 114114), (182, 108471), (209, 94458), (231, 85462), (247, 79926), (266, 74217), (273, 72314), (286, 69027), (346, 57057), (399, 49478), (418, 47229), (429, 46018), (462, 42731), (494, 39963), (519, 38038), (546, 36157), (627, 31486), (741, 26642), (798, 24739), (858, 23009), (1001, 19722), (1038, 19019), (1211, 16302), (1254, 15743), (1463, 13494), (1482, 13321), (1729, 11418), (1903, 10374), (2002, 9861), (2249, 8778), (2422, 8151), (2717, 7266), (2926, 6747), (3003, 6574), (3287, 6006), (3458, 5709), (3633, 5434), (3806, 5187), (4389, 4498)]