18918122498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{2153}}^1\times {\mathrm{399403}}^1$

素因数の和:401569

約数の個数: 16

約数和(自身を含む): 30971383776

約数和(自身を除く): 12053261278

約数列:

[1, 2, 11, 22, 2153, 4306, 23683, 47366, 399403, 798806, 4393433, 8786866, 859914659, 1719829318, 9459061249, 18918122498]

約数ペア:

[(1, 18918122498), (2, 9459061249), (11, 1719829318), (22, 859914659), (2153, 8786866), (4306, 4393433), (23683, 798806), (47366, 399403)]