19031500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2239}}^1$

素因数の和:2275

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 24997940

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 2239, 4250, 4478, 8500, 8956, 11195, 22390, 38063, 44780, 55975, 76126, 111950, 152252, 190315, 223900, 279875, 380630, 559750, 761260, 951575, 1119500, 1903150, 3806300, 4757875, 9515750, 19031500]

約数ペア:

[(1, 19031500), (2, 9515750), (4, 4757875), (5, 3806300), (10, 1903150), (17, 1119500), (20, 951575), (25, 761260), (34, 559750), (50, 380630), (68, 279875), (85, 223900), (100, 190315), (125, 152252), (170, 111950), (250, 76126), (340, 55975), (425, 44780), (500, 38063), (850, 22390), (1700, 11195), (2125, 8956), (2239, 8500), (4250, 4478)]