11991238

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{19919}}^1$

素因数の和:19971

約数の個数: 16

約数和(自身を含む): 21035520

約数和(自身を除く): 9044282

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 19919, 39838, 139433, 278866, 856517, 1713034, 5995619, 11991238]

約数ペア:

[(1, 11991238), (2, 5995619), (7, 1713034), (14, 856517), (43, 278866), (86, 139433), (301, 39838), (602, 19919)]