39640156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{521581}}^1$

素因数の和:521604

約数の個数: 12

約数和(自身を含む): 73021480

約数和(自身を除く): 33381324

約数列:

[1, 2, 4, 19, 38, 76, 521581, 1043162, 2086324, 9910039, 19820078, 39640156]

約数ペア:

[(1, 39640156), (2, 19820078), (4, 9910039), (19, 2086324), (38, 1043162), (76, 521581)]