18820342760

素因数分解:

$2^3\times 5^1\times {\mathrm{470508569}}^1$

素因数の和:470508580

約数の個数: 16

約数和(自身を含む): 42345771300

約数和(自身を除く): 23525428540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 470508569, 941017138, 1882034276, 2352542845, 3764068552, 4705085690, 9410171380, 18820342760]

約数ペア:

[(1, 18820342760), (2, 9410171380), (4, 4705085690), (5, 3764068552), (8, 2352542845), (10, 1882034276), (20, 941017138), (40, 470508569)]