20180871386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3900439}}^1$

素因数の和:3900653

約数の個数: 16

約数和(自身を含む): 32763696000

約数和(自身を除く): 12582824614

約数列:

[1, 2, 13, 26, 199, 398, 2587, 5174, 3900439, 7800878, 50705707, 101411414, 776187361, 1552374722, 10090435693, 20180871386]

約数ペア:

[(1, 20180871386), (2, 10090435693), (13, 1552374722), (26, 776187361), (199, 101411414), (398, 50705707), (2587, 7800878), (5174, 3900439)]