18935240

素因数分解:

$2^3\times 5^1\times {\mathrm{473381}}^1$

素因数の和:473392

約数の個数: 16

約数和(自身を含む): 42604380

約数和(自身を除く): 23669140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 473381, 946762, 1893524, 2366905, 3787048, 4733810, 9467620, 18935240]

約数ペア:

[(1, 18935240), (2, 9467620), (4, 4733810), (5, 3787048), (8, 2366905), (10, 1893524), (20, 946762), (40, 473381)]