18340385

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9887}}^1$

素因数の和:9952

約数の個数: 16

約数和(自身を含む): 25629696

約数和(自身を除く): 7289311

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 9887, 49435, 69209, 346045, 524011, 2620055, 3668077, 18340385]

約数ペア:

[(1, 18340385), (5, 3668077), (7, 2620055), (35, 524011), (53, 346045), (265, 69209), (371, 49435), (1855, 9887)]