18215930

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4057}}^1$

素因数の和:4513

約数の個数: 16

約数和(自身を含む): 32869800

約数和(自身を除く): 14653870

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4057, 4490, 8114, 20285, 40570, 1821593, 3643186, 9107965, 18215930]

約数ペア:

[(1, 18215930), (2, 9107965), (5, 3643186), (10, 1821593), (449, 40570), (898, 20285), (2245, 8114), (4057, 4490)]