18704675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4001}}^1$

素因数の和:4039

約数の個数: 24

約数和(自身を含む): 26797392

約数和(自身を除く): 8092717

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4001, 4675, 20005, 44011, 68017, 100025, 220055, 340085, 748187, 1100275, 1700425, 3740935, 18704675]

約数ペア:

[(1, 18704675), (5, 3740935), (11, 1700425), (17, 1100275), (25, 748187), (55, 340085), (85, 220055), (187, 100025), (275, 68017), (425, 44011), (935, 20005), (4001, 4675)]