18885772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5779}}^1$

素因数の和:5845

約数の個数: 24

約数和(自身を含む): 35604800

約数和(自身を除く): 16719028

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 5779, 11558, 23116, 109801, 219602, 248497, 439204, 496994, 993988, 4721443, 9442886, 18885772]

約数ペア:

[(1, 18885772), (2, 9442886), (4, 4721443), (19, 993988), (38, 496994), (43, 439204), (76, 248497), (86, 219602), (172, 109801), (817, 23116), (1634, 11558), (3268, 5779)]