19000900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11177}}^1$

素因数の和:11208

約数の個数: 36

約数和(自身を含む): 43661268

約数和(自身を除く): 24660368

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11177, 22354, 44708, 55885, 111770, 190009, 223540, 279425, 380018, 558850, 760036, 950045, 1117700, 1900090, 3800180, 4750225, 9500450, 19000900]

約数ペア:

[(1, 19000900), (2, 9500450), (4, 4750225), (5, 3800180), (10, 1900090), (17, 1117700), (20, 950045), (25, 760036), (34, 558850), (50, 380018), (68, 279425), (85, 223540), (100, 190009), (170, 111770), (340, 55885), (425, 44708), (850, 22354), (1700, 11177)]