18895960

素因数分解:

$2^3\times 5^1\times {\mathrm{472399}}^1$

素因数の和:472410

約数の個数: 16

約数和(自身を含む): 42516000

約数和(自身を除く): 23620040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 472399, 944798, 1889596, 2361995, 3779192, 4723990, 9447980, 18895960]

約数ペア:

[(1, 18895960), (2, 9447980), (4, 4723990), (5, 3779192), (8, 2361995), (10, 1889596), (20, 944798), (40, 472399)]