19775196

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 57788640

約数和(自身を除く): 38013444

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, 809, 873, 1164, 1358, 1618, 1746, 2037, 2427, 2716, 3236, 3492, 4074, 4854, 5663, 6111, 7281, 8148, 9708, 11326, 12222, 14562, 16989, 22652, 24444, 29124, 33978, 50967, 67956, 78473, 101934, 156946, 203868, 235419, 313892, 470838, 549311, 706257, 941676, 1098622, 1412514, 1647933, 2197244, 2825028, 3295866, 4943799, 6591732, 9887598, 19775196]

約数ペア:

[(1, 19775196), (2, 9887598), (3, 6591732), (4, 4943799), (6, 3295866), (7, 2825028), (9, 2197244), (12, 1647933), (14, 1412514), (18, 1098622), (21, 941676), (28, 706257), (36, 549311), (42, 470838), (63, 313892), (84, 235419), (97, 203868), (126, 156946), (194, 101934), (252, 78473), (291, 67956), (388, 50967), (582, 33978), (679, 29124), (809, 24444), (873, 22652), (1164, 16989), (1358, 14562), (1618, 12222), (1746, 11326), (2037, 9708), (2427, 8148), (2716, 7281), (3236, 6111), (3492, 5663), (4074, 4854)]