19394560

素因数分解:

$2^{12}\times 5^1\times {\mathrm{947}}^1$

素因数の和:976

約数の個数: 52

約数和(自身を含む): 46590408

約数和(自身を除く): 27195848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 947, 1024, 1280, 1894, 2048, 2560, 3788, 4096, 4735, 5120, 7576, 9470, 10240, 15152, 18940, 20480, 30304, 37880, 60608, 75760, 121216, 151520, 242432, 303040, 484864, 606080, 969728, 1212160, 1939456, 2424320, 3878912, 4848640, 9697280, 19394560]

約数ペア:

[(1, 19394560), (2, 9697280), (4, 4848640), (5, 3878912), (8, 2424320), (10, 1939456), (16, 1212160), (20, 969728), (32, 606080), (40, 484864), (64, 303040), (80, 242432), (128, 151520), (160, 121216), (256, 75760), (320, 60608), (512, 37880), (640, 30304), (947, 20480), (1024, 18940), (1280, 15152), (1894, 10240), (2048, 9470), (2560, 7576), (3788, 5120), (4096, 4735)]