39820390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{209581}}^1$

素因数の和:209607

約数の個数: 16

約数和(自身を含む): 75449520

約数和(自身を除く): 35629130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 209581, 419162, 1047905, 2095810, 3982039, 7964078, 19910195, 39820390]

約数ペア:

[(1, 39820390), (2, 19910195), (5, 7964078), (10, 3982039), (19, 2095810), (38, 1047905), (95, 419162), (190, 209581)]