18311582

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:671

約数の個数: 16

約数和(自身を含む): 27888000

約数和(自身を除く): 9576418

約数列:

[1, 2, 139, 199, 278, 331, 398, 662, 27661, 46009, 55322, 65869, 92018, 131738, 9155791, 18311582]

約数ペア:

[(1, 18311582), (2, 9155791), (139, 131738), (199, 92018), (278, 65869), (331, 55322), (398, 46009), (662, 27661)]