19098387

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 36421632

約数和(自身を除く): 17323245

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 49, 63, 77, 93, 99, 127, 147, 217, 231, 279, 341, 381, 441, 539, 651, 693, 889, 1023, 1143, 1397, 1519, 1617, 1953, 2387, 2667, 3069, 3937, 4191, 4557, 4851, 6223, 7161, 8001, 9779, 11811, 12573, 13671, 16709, 18669, 21483, 27559, 29337, 35433, 43307, 50127, 56007, 68453, 82677, 88011, 129921, 150381, 192913, 205359, 248031, 303149, 389763, 578739, 616077, 909447, 1736217, 2122043, 2728341, 6366129, 19098387]

約数ペア:

[(1, 19098387), (3, 6366129), (7, 2728341), (9, 2122043), (11, 1736217), (21, 909447), (31, 616077), (33, 578739), (49, 389763), (63, 303149), (77, 248031), (93, 205359), (99, 192913), (127, 150381), (147, 129921), (217, 88011), (231, 82677), (279, 68453), (341, 56007), (381, 50127), (441, 43307), (539, 35433), (651, 29337), (693, 27559), (889, 21483), (1023, 18669), (1143, 16709), (1397, 13671), (1519, 12573), (1617, 11811), (1953, 9779), (2387, 8001), (2667, 7161), (3069, 6223), (3937, 4851), (4191, 4557)]