19970048

素因数分解:

$2^{11}\times 7^2\times {\mathrm{199}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 46683000

約数和(自身を除く): 26712952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 199, 224, 256, 392, 398, 448, 512, 784, 796, 896, 1024, 1393, 1568, 1592, 1792, 2048, 2786, 3136, 3184, 3584, 5572, 6272, 6368, 7168, 9751, 11144, 12544, 12736, 14336, 19502, 22288, 25088, 25472, 39004, 44576, 50176, 50944, 78008, 89152, 100352, 101888, 156016, 178304, 203776, 312032, 356608, 407552, 624064, 713216, 1248128, 1426432, 2496256, 2852864, 4992512, 9985024, 19970048]

約数ペア:

[(1, 19970048), (2, 9985024), (4, 4992512), (7, 2852864), (8, 2496256), (14, 1426432), (16, 1248128), (28, 713216), (32, 624064), (49, 407552), (56, 356608), (64, 312032), (98, 203776), (112, 178304), (128, 156016), (196, 101888), (199, 100352), (224, 89152), (256, 78008), (392, 50944), (398, 50176), (448, 44576), (512, 39004), (784, 25472), (796, 25088), (896, 22288), (1024, 19502), (1393, 14336), (1568, 12736), (1592, 12544), (1792, 11144), (2048, 9751), (2786, 7168), (3136, 6368), (3184, 6272), (3584, 5572)]