2019401216

素因数分解:

$2^9\times 7^1\times {\mathrm{563449}}^1$

素因数の和:563474

約数の個数: 40

約数和(自身を含む): 4611274800

約数和(自身を除く): 2591873584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 563449, 1126898, 2253796, 3944143, 4507592, 7888286, 9015184, 15776572, 18030368, 31553144, 36060736, 63106288, 72121472, 126212576, 144242944, 252425152, 288485888, 504850304, 1009700608, 2019401216]

約数ペア:

[(1, 2019401216), (2, 1009700608), (4, 504850304), (7, 288485888), (8, 252425152), (14, 144242944), (16, 126212576), (28, 72121472), (32, 63106288), (56, 36060736), (64, 31553144), (112, 18030368), (128, 15776572), (224, 9015184), (256, 7888286), (448, 4507592), (512, 3944143), (896, 2253796), (1792, 1126898), (3584, 563449)]