18138734

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{563}}^1$

素因数の和:835

約数の個数: 16

約数和(自身を含む): 27714960

約数和(自身を除く): 9576226

約数列:

[1, 2, 89, 178, 181, 362, 563, 1126, 16109, 32218, 50107, 100214, 101903, 203806, 9069367, 18138734]

約数ペア:

[(1, 18138734), (2, 9069367), (89, 203806), (178, 101903), (181, 100214), (362, 50107), (563, 32218), (1126, 16109)]