18861817

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 21369600

約数和(自身を除く): 2507783

約数列:

[1, 13, 23, 199, 299, 317, 2587, 4121, 4577, 7291, 59501, 63083, 94783, 820079, 1450909, 18861817]

約数ペア:

[(1, 18861817), (13, 1450909), (23, 820079), (199, 94783), (299, 63083), (317, 59501), (2587, 7291), (4121, 4577)]