18883947710

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4205779}}^1$

素因数の和:4206235

約数の個数: 16

約数和(自身を含む): 34066818000

約数和(自身を除く): 15182870290

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 4205779, 8411558, 21028895, 42057790, 1888394771, 3776789542, 9441973855, 18883947710]

約数ペア:

[(1, 18883947710), (2, 9441973855), (5, 3776789542), (10, 1888394771), (449, 42057790), (898, 21028895), (2245, 8411558), (4490, 4205779)]