19481868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{797}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 56932512

約数和(自身を除く): 37450644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 797, 873, 1164, 1358, 1594, 1746, 2037, 2391, 2716, 3188, 3492, 4074, 4782, 5579, 6111, 7173, 8148, 9564, 11158, 12222, 14346, 16737, 22316, 24444, 28692, 33474, 50211, 66948, 77309, 100422, 154618, 200844, 231927, 309236, 463854, 541163, 695781, 927708, 1082326, 1391562, 1623489, 2164652, 2783124, 3246978, 4870467, 6493956, 9740934, 19481868]

約数ペア:

[(1, 19481868), (2, 9740934), (3, 6493956), (4, 4870467), (6, 3246978), (7, 2783124), (9, 2164652), (12, 1623489), (14, 1391562), (18, 1082326), (21, 927708), (28, 695781), (36, 541163), (42, 463854), (63, 309236), (84, 231927), (97, 200844), (126, 154618), (194, 100422), (252, 77309), (291, 66948), (388, 50211), (582, 33474), (679, 28692), (797, 24444), (873, 22316), (1164, 16737), (1358, 14346), (1594, 12222), (1746, 11158), (2037, 9564), (2391, 8148), (2716, 7173), (3188, 6111), (3492, 5579), (4074, 4782)]