19906488

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 62300160

約数和(自身を除く): 42393672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 127, 168, 252, 254, 311, 381, 504, 508, 622, 762, 889, 933, 1016, 1143, 1244, 1524, 1778, 1866, 2177, 2286, 2488, 2667, 2799, 3048, 3556, 3732, 4354, 4572, 5334, 5598, 6531, 7112, 7464, 8001, 8708, 9144, 10668, 11196, 13062, 16002, 17416, 19593, 21336, 22392, 26124, 32004, 39186, 39497, 52248, 64008, 78372, 78994, 118491, 156744, 157988, 236982, 276479, 315976, 355473, 473964, 552958, 710946, 829437, 947928, 1105916, 1421892, 1658874, 2211832, 2488311, 2843784, 3317748, 4976622, 6635496, 9953244, 19906488]

約数ペア:

[(1, 19906488), (2, 9953244), (3, 6635496), (4, 4976622), (6, 3317748), (7, 2843784), (8, 2488311), (9, 2211832), (12, 1658874), (14, 1421892), (18, 1105916), (21, 947928), (24, 829437), (28, 710946), (36, 552958), (42, 473964), (56, 355473), (63, 315976), (72, 276479), (84, 236982), (126, 157988), (127, 156744), (168, 118491), (252, 78994), (254, 78372), (311, 64008), (381, 52248), (504, 39497), (508, 39186), (622, 32004), (762, 26124), (889, 22392), (933, 21336), (1016, 19593), (1143, 17416), (1244, 16002), (1524, 13062), (1778, 11196), (1866, 10668), (2177, 9144), (2286, 8708), (2488, 8001), (2667, 7464), (2799, 7112), (3048, 6531), (3556, 5598), (3732, 5334), (4354, 4572)]