19427480

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1049}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 43848000

約数和(自身を除く): 24420520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1049, 1852, 2098, 2315, 3704, 4196, 4630, 5245, 8392, 9260, 10490, 18520, 20980, 41960, 485687, 971374, 1942748, 2428435, 3885496, 4856870, 9713740, 19427480]

約数ペア:

[(1, 19427480), (2, 9713740), (4, 4856870), (5, 3885496), (8, 2428435), (10, 1942748), (20, 971374), (40, 485687), (463, 41960), (926, 20980), (1049, 18520), (1852, 10490), (2098, 9260), (2315, 8392), (3704, 5245), (4196, 4630)]