18012945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{70639}}^1$

素因数の和:70664

約数の個数: 16

約数和(自身を含む): 30516480

約数和(自身を除く): 12503535

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 70639, 211917, 353195, 1059585, 1200863, 3602589, 6004315, 18012945]

約数ペア:

[(1, 18012945), (3, 6004315), (5, 3602589), (15, 1200863), (17, 1059585), (51, 353195), (85, 211917), (255, 70639)]