19612000

素因数分解:

$2^5\times 5^3\times {\mathrm{4903}}^1$

素因数の和:4928

約数の個数: 48

約数和(自身を含む): 48196512

約数和(自身を除く): 28584512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 4903, 9806, 19612, 24515, 39224, 49030, 78448, 98060, 122575, 156896, 196120, 245150, 392240, 490300, 612875, 784480, 980600, 1225750, 1961200, 2451500, 3922400, 4903000, 9806000, 19612000]

約数ペア:

[(1, 19612000), (2, 9806000), (4, 4903000), (5, 3922400), (8, 2451500), (10, 1961200), (16, 1225750), (20, 980600), (25, 784480), (32, 612875), (40, 490300), (50, 392240), (80, 245150), (100, 196120), (125, 156896), (160, 122575), (200, 98060), (250, 78448), (400, 49030), (500, 39224), (800, 24515), (1000, 19612), (2000, 9806), (4000, 4903)]