81900388022

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{9664903}}^1$

素因数の和:9665147

約数の個数: 16

約数和(自身を含む): 129896309760

約数和(自身を除く): 47995921738

約数列:

[1, 2, 19, 38, 223, 446, 4237, 8474, 9664903, 19329806, 183633157, 367266314, 2155273369, 4310546738, 40950194011, 81900388022]

約数ペア:

[(1, 81900388022), (2, 40950194011), (19, 4310546738), (38, 2155273369), (223, 367266314), (446, 183633157), (4237, 19329806), (8474, 9664903)]