18805240

素因数分解:

$2^3\times 5^1\times {\mathrm{470131}}^1$

素因数の和:470142

約数の個数: 16

約数和(自身を含む): 42311880

約数和(自身を除く): 23506640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 470131, 940262, 1880524, 2350655, 3761048, 4701310, 9402620, 18805240]

約数ペア:

[(1, 18805240), (2, 9402620), (4, 4701310), (5, 3761048), (8, 2350655), (10, 1880524), (20, 940262), (40, 470131)]