39971531884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{525941209}}^1$

素因数の和:525941232

約数の個数: 12

約数和(自身を含む): 73631769400

約数和(自身を除く): 33660237516

約数列:

[1, 2, 4, 19, 38, 76, 525941209, 1051882418, 2103764836, 9992882971, 19985765942, 39971531884]

約数ペア:

[(1, 39971531884), (2, 19985765942), (4, 9992882971), (19, 2103764836), (38, 1051882418), (76, 525941209)]