18823120

素因数分解:

$2^4\times 5^1\times {\mathrm{235289}}^1$

素因数の和:235302

約数の個数: 20

約数和(自身を含む): 43763940

約数和(自身を除く): 24940820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 235289, 470578, 941156, 1176445, 1882312, 2352890, 3764624, 4705780, 9411560, 18823120]

約数ペア:

[(1, 18823120), (2, 9411560), (4, 4705780), (5, 3764624), (8, 2352890), (10, 1882312), (16, 1176445), (20, 941156), (40, 470578), (80, 235289)]