18824720

素因数分解:

$2^4\times 5^1\times {\mathrm{235309}}^1$

素因数の和:235322

約数の個数: 20

約数和(自身を含む): 43767660

約数和(自身を除く): 24942940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 235309, 470618, 941236, 1176545, 1882472, 2353090, 3764944, 4706180, 9412360, 18824720]

約数ペア:

[(1, 18824720), (2, 9412360), (4, 4706180), (5, 3764944), (8, 2353090), (10, 1882472), (16, 1176545), (20, 941236), (40, 470618), (80, 235309)]