19016080

素因数分解:

$2^4\times 5^1\times {\mathrm{237701}}^1$

素因数の和:237714

約数の個数: 20

約数和(自身を含む): 44212572

約数和(自身を除く): 25196492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237701, 475402, 950804, 1188505, 1901608, 2377010, 3803216, 4754020, 9508040, 19016080]

約数ペア:

[(1, 19016080), (2, 9508040), (4, 4754020), (5, 3803216), (8, 2377010), (10, 1901608), (16, 1188505), (20, 950804), (40, 475402), (80, 237701)]