218774018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{38639}}^1$

素因数の和:38809

約数の個数: 16

約数和(自身を含む): 347760000

約数和(自身を除く): 128985982

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 38639, 77278, 734141, 1468282, 5757211, 11514422, 109387009, 218774018]

約数ペア:

[(1, 218774018), (2, 109387009), (19, 11514422), (38, 5757211), (149, 1468282), (298, 734141), (2831, 77278), (5662, 38639)]