19557576

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^2\times {\mathrm{73}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 54588690

約数和(自身を除く): 35031114

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 73, 122, 146, 183, 219, 244, 292, 366, 438, 488, 549, 584, 657, 732, 876, 1098, 1314, 1464, 1752, 2196, 2628, 3721, 4392, 4453, 5256, 7442, 8906, 11163, 13359, 14884, 17812, 22326, 26718, 29768, 33489, 35624, 40077, 44652, 53436, 66978, 80154, 89304, 106872, 133956, 160308, 267912, 271633, 320616, 543266, 814899, 1086532, 1629798, 2173064, 2444697, 3259596, 4889394, 6519192, 9778788, 19557576]

約数ペア:

[(1, 19557576), (2, 9778788), (3, 6519192), (4, 4889394), (6, 3259596), (8, 2444697), (9, 2173064), (12, 1629798), (18, 1086532), (24, 814899), (36, 543266), (61, 320616), (72, 271633), (73, 267912), (122, 160308), (146, 133956), (183, 106872), (219, 89304), (244, 80154), (292, 66978), (366, 53436), (438, 44652), (488, 40077), (549, 35624), (584, 33489), (657, 29768), (732, 26718), (876, 22326), (1098, 17812), (1314, 14884), (1464, 13359), (1752, 11163), (2196, 8906), (2628, 7442), (3721, 5256), (4392, 4453)]