18423280

素因数分解:

$2^4\times 5^1\times {\mathrm{230291}}^1$

素因数の和:230304

約数の個数: 20

約数和(自身を含む): 42834312

約数和(自身を除く): 24411032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230291, 460582, 921164, 1151455, 1842328, 2302910, 3684656, 4605820, 9211640, 18423280]

約数ペア:

[(1, 18423280), (2, 9211640), (4, 4605820), (5, 3684656), (8, 2302910), (10, 1842328), (16, 1151455), (20, 921164), (40, 460582), (80, 230291)]