17920672

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1039}}^1$

素因数の和:1074

約数の個数: 72

約数和(自身を含む): 44815680

約数和(自身を除く): 26895008

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1039, 1078, 1232, 1568, 2078, 2156, 2464, 4156, 4312, 7273, 8312, 8624, 11429, 14546, 16624, 17248, 22858, 29092, 33248, 45716, 50911, 58184, 80003, 91432, 101822, 116368, 160006, 182864, 203644, 232736, 320012, 365728, 407288, 560021, 640024, 814576, 1120042, 1280048, 1629152, 2240084, 2560096, 4480168, 8960336, 17920672]

約数ペア:

[(1, 17920672), (2, 8960336), (4, 4480168), (7, 2560096), (8, 2240084), (11, 1629152), (14, 1280048), (16, 1120042), (22, 814576), (28, 640024), (32, 560021), (44, 407288), (49, 365728), (56, 320012), (77, 232736), (88, 203644), (98, 182864), (112, 160006), (154, 116368), (176, 101822), (196, 91432), (224, 80003), (308, 58184), (352, 50911), (392, 45716), (539, 33248), (616, 29092), (784, 22858), (1039, 17248), (1078, 16624), (1232, 14546), (1568, 11429), (2078, 8624), (2156, 8312), (2464, 7273), (4156, 4312)]