18788193

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6269}}^1$

素因数の和:6318

約数の個数: 20

約数和(自身を含む): 28829460

約数和(自身を除く): 10041267

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6269, 18807, 56421, 169263, 231953, 507789, 695859, 2087577, 6262731, 18788193]

約数ペア:

[(1, 18788193), (3, 6262731), (9, 2087577), (27, 695859), (37, 507789), (81, 231953), (111, 169263), (333, 56421), (999, 18807), (2997, 6269)]