218953188

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{320107}}^1$

素因数の和:320136

約数の個数: 36

約数和(自身を含む): 582596560

約数和(自身を除く): 363643372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 320107, 640214, 960321, 1280428, 1920642, 2880963, 3841284, 5761926, 6082033, 11523852, 12164066, 18246099, 24328132, 36492198, 54738297, 72984396, 109476594, 218953188]

約数ペア:

[(1, 218953188), (2, 109476594), (3, 72984396), (4, 54738297), (6, 36492198), (9, 24328132), (12, 18246099), (18, 12164066), (19, 11523852), (36, 6082033), (38, 5761926), (57, 3841284), (76, 2880963), (114, 1920642), (171, 1280428), (228, 960321), (342, 640214), (684, 320107)]