18031480

素因数分解:

$2^3\times 5^1\times {\mathrm{450787}}^1$

素因数の和:450798

約数の個数: 16

約数和(自身を含む): 40570920

約数和(自身を除く): 22539440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 450787, 901574, 1803148, 2253935, 3606296, 4507870, 9015740, 18031480]

約数ペア:

[(1, 18031480), (2, 9015740), (4, 4507870), (5, 3606296), (8, 2253935), (10, 1803148), (20, 901574), (40, 450787)]