19872972

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 59709440

約数和(自身を除く): 39836468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 97, 108, 126, 189, 194, 252, 271, 291, 378, 388, 542, 582, 679, 756, 813, 873, 1084, 1164, 1358, 1626, 1746, 1897, 2037, 2439, 2619, 2716, 3252, 3492, 3794, 4074, 4878, 5238, 5691, 6111, 7317, 7588, 8148, 9756, 10476, 11382, 12222, 14634, 17073, 18333, 22764, 24444, 26287, 29268, 34146, 36666, 51219, 52574, 68292, 73332, 78861, 102438, 105148, 157722, 184009, 204876, 236583, 315444, 368018, 473166, 552027, 709749, 736036, 946332, 1104054, 1419498, 1656081, 2208108, 2838996, 3312162, 4968243, 6624324, 9936486, 19872972]

約数ペア:

[(1, 19872972), (2, 9936486), (3, 6624324), (4, 4968243), (6, 3312162), (7, 2838996), (9, 2208108), (12, 1656081), (14, 1419498), (18, 1104054), (21, 946332), (27, 736036), (28, 709749), (36, 552027), (42, 473166), (54, 368018), (63, 315444), (84, 236583), (97, 204876), (108, 184009), (126, 157722), (189, 105148), (194, 102438), (252, 78861), (271, 73332), (291, 68292), (378, 52574), (388, 51219), (542, 36666), (582, 34146), (679, 29268), (756, 26287), (813, 24444), (873, 22764), (1084, 18333), (1164, 17073), (1358, 14634), (1626, 12222), (1746, 11382), (1897, 10476), (2037, 9756), (2439, 8148), (2619, 7588), (2716, 7317), (3252, 6111), (3492, 5691), (3794, 5238), (4074, 4878)]