19387998

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 51367680

約数和(自身を除く): 31979682

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 81, 82, 123, 126, 139, 162, 189, 243, 246, 278, 287, 369, 378, 417, 486, 567, 574, 738, 834, 861, 973, 1107, 1134, 1251, 1701, 1722, 1946, 2214, 2502, 2583, 2919, 3321, 3402, 3753, 5166, 5699, 5838, 6642, 7506, 7749, 8757, 9963, 11259, 11398, 15498, 17097, 17514, 19926, 22518, 23247, 26271, 33777, 34194, 39893, 46494, 51291, 52542, 67554, 69741, 78813, 79786, 102582, 119679, 139482, 153873, 157626, 236439, 239358, 307746, 359037, 461619, 472878, 718074, 923238, 1077111, 1384857, 2154222, 2769714, 3231333, 6462666, 9693999, 19387998]

約数ペア:

[(1, 19387998), (2, 9693999), (3, 6462666), (6, 3231333), (7, 2769714), (9, 2154222), (14, 1384857), (18, 1077111), (21, 923238), (27, 718074), (41, 472878), (42, 461619), (54, 359037), (63, 307746), (81, 239358), (82, 236439), (123, 157626), (126, 153873), (139, 139482), (162, 119679), (189, 102582), (243, 79786), (246, 78813), (278, 69741), (287, 67554), (369, 52542), (378, 51291), (417, 46494), (486, 39893), (567, 34194), (574, 33777), (738, 26271), (834, 23247), (861, 22518), (973, 19926), (1107, 17514), (1134, 17097), (1251, 15498), (1701, 11398), (1722, 11259), (1946, 9963), (2214, 8757), (2502, 7749), (2583, 7506), (2919, 6642), (3321, 5838), (3402, 5699), (3753, 5166)]