19830400

素因数分解:

$2^7\times 5^2\times {\mathrm{6197}}^1$

素因数の和:6221

約数の個数: 48

約数和(自身を含む): 48995190

約数和(自身を除く): 29164790

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6197, 12394, 24788, 30985, 49576, 61970, 99152, 123940, 154925, 198304, 247880, 309850, 396608, 495760, 619700, 793216, 991520, 1239400, 1983040, 2478800, 3966080, 4957600, 9915200, 19830400]

約数ペア:

[(1, 19830400), (2, 9915200), (4, 4957600), (5, 3966080), (8, 2478800), (10, 1983040), (16, 1239400), (20, 991520), (25, 793216), (32, 619700), (40, 495760), (50, 396608), (64, 309850), (80, 247880), (100, 198304), (128, 154925), (160, 123940), (200, 99152), (320, 61970), (400, 49576), (640, 30985), (800, 24788), (1600, 12394), (3200, 6197)]