18922160

素因数分解:

$2^4\times 5^1\times {\mathrm{236527}}^1$

素因数の和:236540

約数の個数: 20

約数和(自身を含む): 43994208

約数和(自身を除く): 25072048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 236527, 473054, 946108, 1182635, 1892216, 2365270, 3784432, 4730540, 9461080, 18922160]

約数ペア:

[(1, 18922160), (2, 9461080), (4, 4730540), (5, 3784432), (8, 2365270), (10, 1892216), (16, 1182635), (20, 946108), (40, 473054), (80, 236527)]